← All SanDisk drives · All drives
| Capacity | 0.256 TB |
|---|---|
| Form factor | 2.5" |
| Type | SSD |
| Interface | SATA |
| Interface speed | SATA 6Gb/s |
| Series | X400 |
| Sequential read | 540 MB/s |
| Sequential write | 520 MB/s |
| Endurance | 80 TBW |
| MTBF | 1750000 hours |
| Warranty | 5 years |
| NAND type | TLC |
| Random read (4K) | 93500 IOPS |
| Random write (4K) | 60000 IOPS |
| Power, active | 3.4 W |
| Operating temperature | 32 to 158 °F (0 to 70 °C) |
| Height (z-height) | 0.28 in (7 mm) |
| Weight | 1.3 oz (37 g) |
| Also listed as | SD8SB8U-256G-1122 |
Recently observed offers
Used: $29.99 incl. listed shipping Checked 2026-10-28
Cheapest exact-model fixed-price listing found per condition (New, Refurbished, Used) -- shown only for conditions with a real match, checked within three days of this page build. Availability and shipping may change; confirm at the seller.
Certified on 69 Synology NAS models
Show all 69 Synology models
- DS1511+
- DS1512+
- DS1513+
- DS1515
- DS1515+
- DS1517
- DS1517+
- DS1812+
- DS1813+
- DS1815+
- DS1817
- DS1817+
- DS2015xs
- DS214play
- DS215+
- DS216+
- DS216+II
- DS2411+
- DS2413+
- DS2415+
- DS3611xs
- DS3612xs
- DS3615xs
- DS3617xs
- DS3617xsII
- DS411+
- DS411+II
- DS412+
- DS415+
- DS415play
- DS416
- DS416play
- DS712+
- DS713+
- DS715
- DS716+
- DS716+II
- DS916+
- FS1018
- FS3017
- RS10613xs+
- RS1219+
- RS18016xs+
- RS2211+
- RS2211RP+
- RS2212+
- RS2212RP+
- RS2414+
- RS2414RP+
- RS2416+
- RS2416RP+
- RS3411RPxs
- RS3411xs
- RS3413xs+
- RS3614xs
- RS3614xs+
- RS3617RPxs
- RS3617xs
- RS3617xs+
- RS3618xs
- RS4017xs+
- RS812+
- RS812RP+
- RS814+
- RS814RP+
- RS815+
- RS815RP+
- RS818+
- RS818RP+
Certified on 109 QNAP NAS models
Show all 109 QNAP models
- HS-251
- HS-251+
- SS-EC1279U-SAS-RP
- SS-EC1879U-SAS-RP
- SS-EC2479U-SAS-RP
- TDS-16489U
- TS-1079 Pro
- TS-1253U
- TS-1253U-RP
- TS-1263U
- TS-1263U-RP
- TS-1263XU
- TS-1263XU-RP
- TS-1270U-RP
- TS-1279U-RP
- TS-1679U-RP
- TS-1685
- TS-251+
- TS-251A
- TS-253A
- TS-451+
- TS-451A
- TS-451S
- TS-451U
- TS-453 Pro
- TS-453A
- TS-453S Pro
- TS-453U
- TS-453U-RP
- TS-453mini
- TS-463U
- TS-463U-RP
- TS-463XU
- TS-463XU-RP
- TS-470
- TS-470 Pro
- TS-563
- TS-651
- TS-653 Pro
- TS-653A
- TS-670
- TS-670 Pro
- TS-851
- TS-853 Pro
- TS-853A
- TS-853S Pro
- TS-853U
- TS-853U-RP
- TS-863U
- TS-863U-RP
- TS-863XU
- TS-863XU-RP
- TS-870
- TS-870 Pro
- TS-870U-RP
- TS-879 Pro
- TS-879U-RP
- TS-EC1080 Pro
- TS-EC1279U-RP
- TS-EC1279U-SAS-RP
- TS-EC1280U
- TS-EC1280U R2
- TS-EC1679U-RP
- TS-EC1679U-SAS-RP
- TS-EC1680U
- TS-EC1680U R2
- TS-EC2480U
- TS-EC2480U R2
- TS-EC879U-RP
- TS-EC880 Pro
- TS-EC880U
- TS-EC880U R2
- TS-h686
- TS-h886
- TVS-1271U-RP
- TVS-1282
- TVS-1282T
- TVS-1282T3
- TVS-1582TU
- TVS-463
- TVS-471
- TVS-471U
- TVS-471U-RP
- TVS-663
- TVS-671
- TVS-682
- TVS-682T
- TVS-863
- TVS-863+
- TVS-871
- TVS-871T
- TVS-871U-RP
- TVS-882
- TVS-882BR
- TVS-882BRT3
- TVS-882ST2
- TVS-882ST3
- TVS-882T
- TVS-EC1080
- TVS-EC1080+
- TVS-EC1280U-SAS-RP
- TVS-EC1280U-SAS-RP R2
- TVS-EC1580MU-SAS-RP
- TVS-EC1580MU-SAS-RP R2
- TVS-EC1680U-SAS-RP
- TVS-EC1680U-SAS-RP R2
- TVS-EC2480U-SAS-RP
- TVS-EC2480U-SAS-RP R2
- TVS-EC880
The certified list above comes from Synology's and QNAP's published Hardware Compatibility List. Certification is the manufacturer's statement, not a test performed here.