QNAP HS-210 Instructions for use

QN AP Turbo N AS
Hardw are User M a nua l
© 2017. QNAP Syst em s, I nc. All Rights Reserved.

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Thank you for choosing QNAP product s! This user m anual provides descript ion of t he
hardware of t he Turbo NAS and relevant guideline of cert ain funct ions. Please read carefully
and st rict ly adhere to the inst ruct ions of t he m anual.
This user m anual is applicable t o t he follow ing Turbo NAS m odels:
HS-210, HS-251, HS-251+ , TS-112P, TS-131, TS-212P, TS-231, TS-231+ , TS-251,
TS-251+ , TS-251C, TS-251A, TS-253 Pro, TS-431, TS-431+ , TS-431U, TS-451, TS-451+ ,
TS-451S, TS-451U, TS-451A, TS-453 Pro, TS-453S Pro ( form erly SS-453 Pro) , TS-453U,
TS-453U-R P, TS-463U, TS-463U-RP, TVS-463, TS-470U-SP/ RP, TVS-473, TS-531P,
TS-563, TS-651, TS-653 Pro, TVS-663, TS-531X, TVS-673, TS-831X, TS-851, TS-853 Pro,
TS-85 3S Pro ( for m er ly SS-8 53 Pro) , TS-853U, TS-853U-RP, TS-863U, TS-863U-RP,
TVS-863, TVS-863+ , TVS-882ST, TS-870U-RP, TVS-873, TS-879 Pr o, TS-879U-RP,
TS-EC879U-R P, TS-1079 Pro, TS-1253U, TS-1253U- R P, TS-1263U, TS-1263U-RP,
TS-1270U-R P, TS-1279U-R P, T S -EC1279U-RP, TS-1635, TS-1679U-RP, T S -EC1679U-RP,
I S-453S, TS-453Bm ini, TS-453m ini, TAS-168, TAS-268, TS-253A, TS-453A, TS-653A,
TS-853A, TS-128, TS-228, TBS-453A, TS-131P, TS-231P, TS-431P, TS-431XU,
TS-431XU-R P, T S -831XU, TS-831XU-R P, T S -1231XU, TS-1231XU-RP
N OTE
•The “ Tur bo NAS” & “ Tu rbo vNAS” are her eaft er refer red t o as “ NAS”.
•The product you purchased m ay not support cert ain funct ions dedicated to specific
m odels.
•All features, funct ionality, and ot her product specifications are subj ect to change
wit hout pr ior n ot ice or obligat ion.
•I nform at ion present ed is subj ect t o change wit hout not ice.
•No part of t his publicat ion m ay be reproduced, st or ed in a ret rieval syst em , or
transm it t ed, in any form or by any m eans, m echanical, elect ronic, phot ocopying,
recording, or otherwise, wit hout prior writ ten perm ission of QNAP Syst em s, I nc.
QNAP and the QNAP logo are regist ered t radem ark s of QNAP Syst em s, I nc. Other
product s and com pany nam es m ent ioned herein m ay be t he tradem arks of t heir
respect ive com panies.

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DI SCLAI M ER
I n no event shall QNAP Syst em s, I nc. ( QNAP) liabilit y exceed t he price paid for t he product
from direct , indirect , special, incidental, or consequent ial dam ages result ing from t he use
of t he product , it s accom pany ing soft ware, or it s docum ent at ion. QNAP m akes no warranty
or represent at ion, expressed, im plied, or st atut ory, wit h respect to it s product s or t he
cont ent s or use of t his docum ent at ion and all accom panying soft ware, and specifically
disclaim s it s qualit y, perform ance, m erchant abilit y, or fit ness for any part icular purpose.
QNAP reserves the right to revise or update it s product s, soft ware, or docum ent at ion
w it hout obligat ion t o n ot ify any indiv idual or ent it y.
N ot e :
Back up your sy st em periodically t o avoid any pot ent ial dat a loss. QNAP disclaim s any
respon sibilit y of all sor t s of dat a loss or recovery.
Should you ret ur n any com ponent s of t he NAS package for refund or m aint enance,
m ake sure they are carefully packed for shipping. Any form of dam ages due to
im proper packaging w ill not be com pensat ed.

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Re gu la t or y N ot ice
FCC N ot ice
QNAP NAS com ply wit h different FCC com pliance classes. Please refer t he Appendix for
det ails. Once t he class of t he device is determ ined, refer t o t he following corresponding
st at em ent .
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
FCC Cla ss A N ot ice
This device com plies with Part 15 of t he FCC Rules. Operation is subj ect t o t he following two
condit ions:
1. This device m ay not cause harm ful int erference.
2. This device m ust accept any int erference received, including int erfer ence t hat m ay
cause undesir ed operat ion.
Not e: This equipm ent has been t est ed and found t o com ply w ith t he lim it s for a Class A
digit al device, pursuant t o Part 15 of the FCC Rules. These lim it s are designed t o provide
reasonable prot ect ion against harm ful int er fer ence when t he equipm ent is operat ed in a
com m ercial env ironm ent . This equipm ent generat es, uses, and can radiat e radio frequency
energy, and if not inst alled and used in accordance w it h t he inst ruct ion m anual, m ay cause
harm ful int erference t o radio com m unicat ions. Operat ion of t his equipm ent in a r esident ial
area is likely t o cause harm ful int er ference, in which case t he user will be required t o
correct t he interference at his own expense.
Modificat ions: Any m odificat ions m ade t o t his device t hat are not approved by QNAP
Sy st em s, I n c. m ay v oid t he au thor it y grant ed t o t he user by t he FCC t o operat e t h is
equipm ent .
A급기기
(업무용정보통신기기)
이기기는업무용으로전자파적합등록을한기기이오니, 판매자또는사용자는이점을주위하시기바라며,
만약잘못판매또는구입하였을때에는가정용으로교환하시기바랍니다.

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FCC Cla ss B N ot ice
This device com plies wit h Part 15 of the FCC Rules. Operation is subj ect to t he following t wo
condit ions:
1. This device m ay not cause harm ful int erference.
2. This device m ust accept any int erference received, including int erfer ence t hat m ay
cause undesired operat ion .
Not e: This equipm ent has been t est ed and found to com ply wit h t he lim it s for a Class B
digit al device, pursuant t o Part 15 of the FCC Rules. These lim it s are designed t o provide
reasonable prot ect ion against harm ful int er fer ence in a resident ial inst allat ion. This
equipm ent generat es, uses, and can radiat e radio frequency energy and, if not inst alled
and used in accordance with t he inst ruct ions, m ay cause harm ful int erference t o radio
com m unicat ions. How ever, t here is no guarant ee that int erference will not occur in a
part icular inst allat ion. I f this equipm ent does cause harm ful int erference t o radio or
t elevision r ecept ion, which can be det erm ined by t urning t he equipm ent off and on, t he
user is encouraged t o t ry t o correct the int erference by one or m ore of the following
m easures:
•Reorient or relocat e the receiving ant enna.
•I ncrease t he separat ion bet w een t he equipm ent and receiver.
•Connect the equipm ent int o an outlet on a circuit different from t hat to which t he
receiver is connect ed.
•Consult t he dealer or an experienced radio/ t elev ision t echnician for help.
Modificat ions: Any m odificat ions m ade t o t his device t hat are not approved by QNAP
Sy st em s, I n c. m ay v oid t he au thor it y grant ed t o t he user by t he FCC t o operat e t h is
equipm ent .
CE N OTI CE
QNAP NAS com ply wit h different CE com pliance classes. Please refer t o t he Appendix for
det ails.

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SJ/T 11364-2006
本产品符合中国 RoHS 标准。以下表格标示此产品中某有毒物质的含量符合中国 RoHS 标准规定的限量
要求。
本产品上会附有”环境友好使用期限”的标签，此期限是估算这些物质”不会有泄漏或突变”的年限。本产
品可能包含有较短的环境友好使用期限的可替换元件，像是电池或灯管，这些元件将会单独标示出来。
部件名称 有毒有害物质或元素
铅
(Pb)
汞
(Hg)
镉
(Cd)
六价铬
(CR(VI))
多溴联苯
(PBB)
多溴二苯醚
(PBDE)
壳体 O O O O O O
显示 O O O O O O
印刷电路板 O O O O O O
金属螺帽 O O O O O O
电缆组装 O O O O O O
风扇组装 O O O O O O
电力供应组装 O O O O O O
电池 O O O O O O
O: 表示该有毒有害物质在该部件所有物质材料中的含量均在 SJ/T11363-2006 标准规定的限量要求以下。
X: 表示该有毒有害物质至少在该部件的某一均质材料中的含量超出 SJ/T11363-2006 标准规定的限量要求。

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Sym bols in t his docum ent
Warning
This icon indicat es t he inst ruct ions m ust be st rict ly follow ed. Failure
to do so could result in inj ury t o hum an body or deat h.
Caut ion
This icon indicates t he act ion m ay lead t o disk clearance or loss OR
failure t o follow t he inst ruct ions could result in dat a dam age, disk
dam age, or pr oduct dam age.

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Ta ble of Con t e nt s
Contents
Ta ble of Co nt e n t s ............................................................................................... 8
Sa fet y W arnings............................................................................................... 1 0
Ch ap t er 1 . CPU a n d M e m or y Spe cifica t ion s ................................................... 1 1
Ch ap t er 2 . Pow e r Bu t t on a nd Re se t Bu t t on Be h a vio r .................................... 3 9
Ch ap t er 3 . USB One Touch Copy .................................................................... 4 0
Ch ap t er 4 . LED a nd Ala r m Bu zz er Sp ecif ica t ion s ........................................... 4 1
Ch ap t er 5 . Upgr a de M e m o ry on QN AP Tur bo N AS ( RAM M odu le I n st a lla t ion ) 4 4
5.1 TS-453BMI NI ,TS-453MI NI ( 4 -BAY) ............................................................. 44
5.2 TBS-453A ............................................................................................ 46
5.3 TS-451S, TS-531P, TS-531X, TS-651, TS-831X, TS-851, TS-X53/X53S PRO,
TS-563, TVS-882S, TVS-882ST, TVS-X63, TS-X53ASERI ES ( 2/ 4/ 6/ 8-BAY) ................... 48
5.4 TS-1635 .............................................................................................. 49
5.5 TVS-473, TVS-673, TVS-873................................................................... 53
5.6TS-431U, TS-X31XU SERI ES,TS-451U, TS-X53U, TS-X63U SERI ES ( 4/ 8/ 12-BAY) .. 55
5.7 TS-251+ , TS-251, TS-451+ , TS-451, TS-251A, TS-451A............................. 57
5.8 I S-453S .............................................................................................. 60
Ch ap t er 6 . N e t w or k Ex pa n sion Ca r d I n st a lla t ion ...........................................6 3
6.1 TVS-463, TS-531P, TS-531X, TVS-663, TS-831X, TVS-863, TS-563, TS-879 PRO,
TS-1079 PRO,TS-463U, TS-463U-RP.................................................................. 63
6.2 TS-1635 .............................................................................................. 67
6.3 TVS-473, TVS-673, TVS-873................................................................... 71
6.4 TS-431XU, TS-463U, TS-463U-RP, TVS-471 SERI ES ..................................... 74
6.5 TS-831XU, TS-863U, TS-863U-RP, TS-1231XU, TS-1263U, TS-1263U-RP SERI ES
78
Ch ap t er 7 . I n st a ll a n d H ot - sw a p H a r d Drives ................................................8 1
7.1 INSTALL HARD DRI VES ............................................................................... 81
7. 1.1. TS-x 51, TS-x51A, TVS-x63, TS-563, TS-x53 Pro, TS-651, TS-831X, TS-851,
TS-531X, TS-531P, TS-x53A, TS-x31, TS-x31+ , TS-x31P, TS-431U, TS-x31XU,
TS-451U, TS-x53U, TS-x 63U......................................................................... 81
7. 1.2. TS-1635 ....................................................................................... 83
7. 1.3. TS-453Bm ini, TS-453Mini ................................................................ 85

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7. 1.4. TVS- 473, TVS-673, TVS-873............................................................ 88
7. 1.5. TS-112P, TS-212P and TS-251C ....................................................... 91
7. 1.6. TAS- 168, TAS-268, TS-128, TS-228 .................................................. 93
7. 1.7. I S-453S........................................................................................ 96
7.2 HOT-SWAP HARD DRI VES ............................................................................ 99
Ch ap t er 8 . I n st a ll M .2 SSD s ......................................................................... 1 0 3
8.1 M.2 SSD HEAT SI NK INSTALLATI ON ............................................................. 103
8.2 M.2 SSD INSTALLATI ON ........................................................................... 104
8. 2.1 TBS-453A ................................................................................... 104
8. 2.2 TVS- 473, TVS-673, TVS-873.......................................................... 105
Ch ap t er 9 . RAI D Re cove ry ........................................................................... 1 0 9
Ch ap t er 1 0 . Use t he LCD Pa nel ...................................................................... 1 1 1
Ch ap t er 1 1 . I n st a ll Pow e r Su pp ly U nit ........................................................... 1 1 7
11.1 1U TURBO NAS WI TH HOT-SWAPPABLE PSU ................................................... 117
11.2 2U/ 3U TURBO NAS ( TS-831XU-R P, TS-1231XU-RP, TS-853U-R P, TS-1253U-RP
ONLY) 118
Te ch nica l Suppor t .......................................................................................... 1 2 1
GN U GEN ERAL PU BLI C LI CEN SE ..................................................................... 1 2 2
Appendix A: Produ ct Com plia nce Class........................................................... 1 3 5

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Sa fe t y W a r nin gs
1. The NAS can operat e norm ally in t he t em perat ur e ran ge of 0º C–40º C (or up to 35º C
depending on individual product specificat ions) w it h a r elat ive hum idit y of 0 % –95% .
Ensure t hat t he env ironm ent is w ell-v ent ilat ed.
2. The power cord and devices connect ed to the NAS m ust provide correct supply voltage
( 10 0W, 90–264V) .
3. Do not place t he NAS in direct sunlight or near chem icals. Make sure t he t em perat ure
and hum idity of t he env ir on m en t ar e in opt im ized level.
4. Unplug the power cord and all connect ed cables before cleaning. Wipe the NAS wit h a
dry t owel. Do not use chem ical or aerosol t o clean t he NAS.
5. Do not place any obj ect s on t he NAS for the server’s norm al operation and t o avoid
overheat.
6. Use t he flat head screws in t he product package to lock t he hard disks in t he NAS when
inst alling hard disks for proper operat ion.
7. Do not place t he NAS near any liquid.
8. Do not place the NAS on any uneven surface to avoid falling off and dam age.
9. Make sure the volt age is correct in t he locat ion wher e t he NAS is inst alled. Cont act t he
dist ributor or the local power supply com pany for t he inform at ion.
10. Do not place any obj ect on the power cord.
11. Do not at t em pt to repair t he NAS in any occasions. I m proper disassem bly of t he
product m ay expose the users t o elect ric shock or ot her risks. For any enquiries,
please cont act t he distribut or.
12. The chassis NAS m odels should only be installed in t he server room and m aint ained by
t he aut horized ser ver m anager or I T adm inist rat or. The server room is locked by key or
keycard access and only cert ified st aff is allow ed t o ent er t he server room .
W arning:
Danger of explosion if batt ery is incorrect ly replaced. Replace only wit h t he sam e or
equivalent type recom m ended by t he m anufact urer. Dispose of used bat t er ies
according t o the m anufact urer ’s inst ruct ions.
Do NOT t ouch the fan inside the system t o avoid serious injuries.

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Cha pt e r 1 . CPU a nd Mem or y Spe cifica t ion s
Ca u t ion : Modify ing t he hardware, soft war e, or firm ware of t he QNAP pr odu ct s w ill
void the war rant y. QNAP is not responsible for any form of dam age or loss of dat a caused
by m odding t he QNAP product s. Users should bear t h eir own risks of all sort s of possible
dat a loss or sy st em inst abilit ies due t o ch anging the hardware part s, m odifying t he default
sy st em firm w are or inst alling any unaut horized t hird part y applicat ions on QNAP produ ct s.
Syst em TS-1 1 2 P TS-2 1 2 P
CPU Marvell 1.6GHz Marvell 1.6GHz
Mem ory 512MB DDR2 512MB DDR2
Fla sh 16MB 16MB
Mem or y
re placea ble
- -
N u m be r of RAM
slot s
- -
N u m be r of h a rd
dr ive slot s 1 2
Syst em TS- 1 2 8 TS- 2 2 8
CPU Dual-core ARM® v 7
1.1GHz
Dual-core ARM® v7
1.1GHz
Mem ory 1GB DDR3 1GB DDR3
Fla sh 4GB 4GB
Mem or y
re placea ble --
N u m be r of RAM
slot s - -
N u m be r of h a rd
dr ive slot s 1 ( 3.5” HDDs only) 2 ( 3.5” HDDs only)

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Syst em TS-1 3 1 TS-2 3 1
CPU Dual-core
FreescaleTM 1.2GHz
Dual-core
FreescaleTM 1.2GHz
Mem ory 512MB DDR3 512MB DDR3
Fla sh 512MB 512MB
Mem or y
re placea ble
- -
N u m be r of RAM
slot s
- -
N u m be r of h a rd
dr ive slot s 1 2
Syst em TAS-1 6 8 TAS-2 6 8
CPU Dual-core Realt ek
1.1GHz
Dual-core Realt ek
1.1GHz
Mem ory 2GB DDR3 2GB DDR3
Fla sh 4GB 4GB
Mem or y
re placea ble
- -
N u m be r of RAM
slot s
- -
N u m be r of h a rd
dr ive slot s 1 ( 3.5” HDDs only) 2 ( 3.5” HDDs only)
I R se nsor
✔( QNAP r em ot e
cont rol: RM-I R003)
✔( QNAP r em ot e
cont rol: RM-I R003)

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Syst em TS-4 3 1 TS-4 3 1 U
CPU Dual-core
FreescaleTM 1.2GHz
Dual-core
FreescaleTM 1.2GHz
Mem ory 512MB DDR3 1GB DDR3
Fla sh 512MB 512MB
Mem or y
re placea ble
--
N u m be r of RAM
slot s
--
N u m be r of h a rd
dr ive slot s 4 4
Syst em TS-2 3 1 + TS-4 3 1 +
CPU
Annapurna Labs
Alpine AL-212
Dual-core 1.4GHz
Cort ex-A15
Annapurna Labs
Alpine AL-212
Dual-core 1.4GHz
Cort ex-A15
Mem ory 1GB DDR3 1GB DDR3
Fla sh 512MB 512MB
Mem or y
re placea ble - -
N u m be r of RAM
slot s - -
N u m be r of h a rd
dr ive slot s 2 4
PCI - E expansion
slot - -
Built - in 1 0 GbE LAN
por t s - -

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Syst em TS- 1 3 1 PTS- 2 3 1 P TS-4 3 1 P
CPU
Annapurna Labs
Alpine AL-212
Dual-core 1.7GHz
Cort ex-A15
Annapurna Labs
Alpine AL-212
Dual-core 1.7GHz
Cort ex-A15
Annapurna Labs
Alpine AL-212
Dual-core 1.7GHz
Cort ex-A15
Mem ory 1GB DDR3 1GB DDR3 1GB DDR3
Fla sh 512MB 512MB
Mem or y
re placea ble - -
N u m be r of RAM
slot s - -
N u m be r of h a rd
dr ive slot s 1 2 4
PCI - E expansion
slot - -
Built - in 1 0 GbE LAN
por t s - -

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Syst em TS-4 3 1 XU TS-4 3 1 XU-RP TS-8 3 1 XU TS-8 3 1 XU-RP
CPU Annapurna Labs Alpine AL-314 Quad-core 1.7GHz Cort ex-A15
Mem ory 2GB DDR3
(Expandable RAM, up t o 16GB)
4GB DDR3
(Expandable RAM, up t o 16GB)
Fla sh 512MB
Mem or y
re placea ble
✔( Com pat ible wit h DDR3 RAM)
N u m be r of
RAM slot s 2 ( SODI MM)
N u m be r of
ha r d dr ive
slot s
4 8
PCI - E
expansion
slot
1 x PCI e 2.0 x2
Bu ilt - in
1 0 GbE LAN
por t s
2 x SFP+
Syst em TS-1 2 3 1 XU TS-1 2 3 1 XU-RP
CPU Annapurna Labs Alpine AL-314 Quad-core
1.7GHz Cort ex-A15
Mem ory 4GB DDR3
(Expandable RAM, up t o 16GB)
Fla sh 512MB
Mem or y
re placea ble
✔( Com pat ible wit h DDR3 RAM)
N u m be r of RAM
slot s 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 12
PCI - E expansion
slot
1 x PCI e 2.0 x2
Built - in 1 0 GbE LAN
por t s 2 x SFP+

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Syst em TS-5 3 1 P TS-5 3 1 X TS-8 3 1 X
CPU
Quad-
core Annapurna
Labs Alpine AL- 314
1.4GHz Cort ex-A15
Quad-core A
nnapurna
Labs Alpine AL- 314
1.4GHz Cort ex-A15
Quad-core A
nnapurna
Labs Alpine AL- 314
1.4GHz Cort ex-A15
Mem ory
2GB/ 8GB DDR3
(Expandable RAM, up
to 16GB)
2GB/ 8GB DDR3
(Expandable RAM, up
to 16GB)
8GB/ 16GB DDR3
(Expandable RAM, up
to 16GB)
Fla sh 512MB 512MB 512MB
Mem or y
re placea ble
✔( Com pat ible w it h
DDR3 RAM)
✔( Com pat ible w it h
DDR3 RAM)
✔( Com pat ible w it h
DDR3 RAM)
N u m be r of RAM
slot s 2 ( SODI MM) 2 ( SODI MM) 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 5 5 8
PCI - E expansion
slot 1 1 1
Built - in 1 0 GbE LAN
por t s - 2 x SFP+ 2 x SFP+
Syst em TS-1 6 3 5 HS-2 1 0
CPU
Quad-
core Annapurna
Labs Alpine AL- 514
1.7GHz Cort ex-A15
Marvell 1.6GHz
Mem ory
8GB/ 16GB DDR3
(Expandable RAM, up
to 16GB)
512MB DDR3
Fla sh 512MB 16MB
Mem or y
re placea ble
✔( Com pat ible w it h
DDR3 RAM)
-
N u m be r of RAM
slot s 2 ( SODI MM) -
N u m be r of h a rd
dr ive slot s 16 2
PCI - E expansion
slot 1

17
Built - in 1 0 GbE LAN
por t s 2 x SFP+
Syst em TS-4 5 1 U TS-4 5 3 U TS-4 5 3 U-RP
CPU
Dual-core
I nt el® Celeron™
2.41GHz ( up to
2.58GHz)
Quad-core
I nt el® Celeron™
2.0GHz ( up t o
2.42GHz)
Quad-core
I nt el® Celeron™
2.0GHz ( up t o
2.42GHz)
Mem ory
1GB DDR3L
( Ex pandable RAM, up
to 8GB)
4GB/ 8GB DDR3L
( Ex pandable RAM, up
to 8GB)
4GB/ 8GB DDR3L
( Ex pandable RAM, up
to 8GB)
Fla sh 512MB ( USB DOM) 512MB ( USB DOM) 512MB ( USB DOM)
Mem or y
re placea ble
✔(Com pat ible w it h
DDR3L RAM)
✔( Com pat ible w it h
DDR3L RAM)
✔( Com pat ible w it h
DDR3L RAM)
N u m be r of RAM
slot s 2 ( SODI MM) 2 ( SODI MM) 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 4 4 4
Pow er supply unit 250W 250W 2 x 250W
Syst em TS-8 5 3 U TS-8 5 3 U-RP
CPU
Quad-core
I nt el® Celeron™
2.0GHz ( up t o
2.42GHz)
Quad-core
I nt el® Celeron™
2.0GHz ( up t o
2.42GHz)
Mem ory
4GB/ 8GB DDR3L
( Ex pandable RAM, up
to 8GB)
4GB/ 8GB DDR3L
( Ex pandable RAM, up
to 8GB)
Fla sh 512MB ( USB DOM) 512MB ( USB DOM)
Mem or y
re placea ble
✔( Com pat ible w it h
DDR3L RAM)
✔( Com pat ible w it h
DDR3L RAM)
N u m be r of RAM
slot s 2 ( SODI MM) 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 8 8
Pow er supply unit 250W 2 x 250W

18

19
Syst em TS-1 2 5 3 U TS-1 2 5 3 U-RP
CPU
Quad-core
I nt el® Celeron™
2.0GHz ( up t o
2.42GHz)
Quad-core
I nt el® Celeron™
2.0GHz ( up t o
2.42GHz)
Mem ory
4GB/ 8GB DDR3L
( Ex pandable RAM, up
to 8GB)
4GB/ 8GB DDR3L
( Ex pandable RAM, up
to 8GB)
Fla sh 512MB ( USB DOM) 512MB ( USB DOM)
Mem or y
re placea ble
✔( Com pat ible w it h
DDR3L RAM)
✔( Com pat ible w it h
DDR3L RAM)
N u m be r of RAM
slot s 2 ( SODI MM) 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 12 12
Pow er supply unit 250W 2 x 250W
Syst em I S- 4 5 3 S
CPU
Quad-core
I nt el® At om ™
1.91GHz
Mem ory
I S-453S-2G: 2GB
DDR3L
I S-453S-8G: 8GB
DDR3L
Fla sh 512MB ( USB DOM)
CPU replaceable -
Mem or y
re placea ble
✔( Com pat ible w it h
DDR3L- 1333/1600S
ODI MM RAM)
N u m be r of RAM
slot s 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 4 (2.5" only)

20
Syst em TS-2 5 1 C TS- 2 5 1 /
TS-2 5 1 -4 G
TS-2 5 1 A-2 G /
TS-2 5 1 A-4 G
CPU
Dual-core
I nt el® Celeron™
2.41GHz ( up to
2.58GHz)
Dual-core
I nt el® Celeron™
2.41GHz ( up t o
2.58GHz)
Dual-core
I nt el® Celeron™
1.6GHz ( up t o
2.48GHz)
Mem ory
1GB DDR3L 1GB / 4GB DDR3L
( Ex pandable RAM, up
to 8GB)
2GB / 4GB DDR3L
( Ex pandable RAM, up
to 8GB)
Fla sh 512MB 512MB 512MB
Mem or y
re placea ble -
✔( Com pat ible w it h
DDR3L RAM)
✔( Com pat ible w it h
DDR3L-1600 RAM)
N u m be r of RAM
slot s - 2( SODI MM) 2( SODI MM)
N u m be r of h a rd
dr ive slot s 2 ( 3.5” HDDs only) 2 2
I R se nsor
✔( QNAP r em ot e
cont rol: RM-I R002)
✔( QNAP r em ot e
cont rol: RM-I R002)
✔( QNAP r em ot e
cont rol: RM-I R002)
Syst em TS-4 5 1 /
TS-4 5 1 -4 G
TS-4 5 1 A-2 G /
TS-4 5 1 A-4 G TS-4 5 1 S
CPU
Dual-core
I nt el® Celeron™
2.41GHz ( up to
2.58GHz)
Dual-core
I nt el® Celeron™
1.6GHz ( up t o
2.48GHz)
Dual-core
I nt el® Celeron™
2.41GHz ( up t o
2.58GHz)
Mem ory
1GB / 4GB DDR3L
( Ex pandable RAM, up
to 8GB)
2GB / 4GB DDR3L
(Expandable RAM, up
to 8GB)
1GB DDR3L
(Expandable RAM, up
to 8GB)
Fla sh 512MB 512MB 512MB
Mem or y
re placea ble
✔( Com pat ible w it h
DDR3L RAM)
✔( Com pat ible w it h
DDR3L-1600 RAM)
✔( Com pat ible w it h
DDR3L RAM)
N u m be r of RAM
slot s 2 ( SODI MM) 2( SODI MM) 2 ( SODI MM)
N u m be r of h a rd
dr ive slot s 4 2 4 (2.5” only)
I R se nsor
✔( QNAP r em ot e
cont rol: RM-I R002)
✔( QNAP r em ot e
cont rol: RM-I R002)
✔( QNAP r em ot e
cont rol: RM-I R002)