Western Digital Enterprise 4TB

Enterprise HDD

Part number WD4000F9YZ (Se) · Enterprise series · SATA 6Gb/s (SATA III). If your machine is listed below, this drive is officially supported — not a forum workaround.

Part of the Western Digital Enterprise series →

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179

Compatible NAS models

0 Syn · 179 QNAP · 0 Asus · 0 TM

By vendor

4 TB

Listed capacity

Western Digital

Manufacturer

3-2-1 cold backup fit

No series-level recording rating is on file for this part number yet — check the exact model for CMR vs SMR before buying it as a large cold copy (SMR is the one trait that makes a 16 TB+ backup copy painfully slow). The 3-2-1 guide and the backup tools encyclopedia cover what to schedule it with.

Compatibility verdict

It appears on the official compatibility lists of 179 machines and series — 179 QNAP. This is a Enterprise-class drive: rated for heavier sustained workloads than desktop drives. It is a strong pick for a NAS running 24/7, large-array rebuilds or camera workloads, and enterprise lines are also the drives most widely listed across all five vendors' HCLs. No series-level recording rating is on file for this part number yet, so check CMR vs SMR on the exact model before buying for an array.

Compatible NAS models

QNAP REXP-1000 Pro See its full HCL → QNAP REXP-1200U-RP See its full HCL → QNAP REXP-1220U-RP See its full HCL → QNAP REXP-1600U-RP See its full HCL → QNAP REXP-1620U-RP See its full HCL → QNAP TES-1885U QTS See its full HCL → QNAP TL-R1220Sep-RP See its full HCL → QNAP TL-R1620Sep-RP See its full HCL → QNAP TS-1079 Pro See its full HCL → QNAP TS-110 See its full HCL → QNAP TS-112 See its full HCL → QNAP TS-112P See its full HCL → QNAP TS-119 See its full HCL → QNAP TS-119P+ See its full HCL → QNAP TS-119P II See its full HCL → QNAP TS-120 See its full HCL → QNAP TS-121 See its full HCL → QNAP TS-1253U See its full HCL → QNAP TS-1253U-RP See its full HCL → QNAP TS-1263U See its full HCL → QNAP TS-1263U-RP See its full HCL → QNAP TS-1263XU See its full HCL → QNAP TS-1263XU-RP See its full HCL → QNAP TS-1269U-RP See its full HCL → QNAP TS-1270U-RP See its full HCL → QNAP TS-1279U-RP See its full HCL → QNAP TS-131 See its full HCL → QNAP TS-131K See its full HCL → QNAP TS-131P See its full HCL → QNAP TS-1679U-RP See its full HCL → QNAP TS-210 See its full HCL → QNAP TS-212 See its full HCL → QNAP TS-212-E See its full HCL → QNAP TS-212P See its full HCL → QNAP TS-219 See its full HCL → QNAP TS-219P See its full HCL → QNAP TS-219P+ See its full HCL → QNAP TS-219P II See its full HCL → QNAP TS-220 See its full HCL → QNAP TS-221 See its full HCL → QNAP TS-231 See its full HCL → QNAP TS-231+ See its full HCL → QNAP TS-231K See its full HCL → QNAP TS-231P See its full HCL → QNAP TS-231P2 See its full HCL → QNAP TS-231P3 See its full HCL → QNAP TS-239 Pro See its full HCL → QNAP TS-239 Pro II See its full HCL → QNAP TS-239 Pro II+ See its full HCL → QNAP TS-251 See its full HCL → QNAP TS-251+ See its full HCL → QNAP TS-253 Pro See its full HCL → QNAP TS-259 Pro See its full HCL → QNAP TS-259 Pro+ See its full HCL → QNAP TS-269L See its full HCL → QNAP TS-269 Pro See its full HCL → QNAP TS-351 See its full HCL → QNAP TS-410 See its full HCL → QNAP TS-410U See its full HCL → QNAP TS-412 See its full HCL → QNAP TS-412U See its full HCL → QNAP TS-419P See its full HCL → QNAP TS-419P+ See its full HCL → QNAP TS-419P II See its full HCL → QNAP TS-419U See its full HCL → QNAP TS-419U+ See its full HCL → QNAP TS-419U II See its full HCL → QNAP TS-420 See its full HCL → QNAP TS-420U See its full HCL → QNAP TS-421 See its full HCL → QNAP TS-421U See its full HCL → QNAP TS-431 See its full HCL → QNAP TS-431+ See its full HCL → QNAP TS-431K See its full HCL → QNAP TS-431P See its full HCL → QNAP TS-431P2 See its full HCL → QNAP TS-431P3 See its full HCL → QNAP TS-439 Pro See its full HCL → QNAP TS-439 Pro II See its full HCL → QNAP TS-439 Pro II+ See its full HCL → QNAP TS-451 See its full HCL → QNAP TS-451+ See its full HCL → QNAP TS-451U See its full HCL → QNAP TS-453U See its full HCL → QNAP TS-453U-RP See its full HCL → QNAP TS-453 Pro See its full HCL → QNAP TS-453mini See its full HCL → QNAP TS-459U-RP+ SP+ See its full HCL → QNAP TS-459 Pro See its full HCL → QNAP TS-459 Pro+ See its full HCL → QNAP TS-459 Pro II See its full HCL → QNAP TS-463U See its full HCL → QNAP TS-463U-RP See its full HCL → QNAP TS-463XU See its full HCL → QNAP TS-463XU-RP See its full HCL → QNAP TS-469L See its full HCL → QNAP TS-469U-RP See its full HCL → QNAP TS-469U-SP See its full HCL → QNAP TS-469 Pro See its full HCL → QNAP TS-470 See its full HCL → QNAP TS-470 Pro See its full HCL → QNAP TS-559 Pro See its full HCL → QNAP TS-559 Pro+ See its full HCL → QNAP TS-559 Pro II See its full HCL → QNAP TS-563 See its full HCL → QNAP TS-569L See its full HCL → QNAP TS-569 Pro See its full HCL → QNAP TS-639 Pro See its full HCL → QNAP TS-651 See its full HCL → QNAP TS-653 Pro See its full HCL → QNAP TS-659 Pro See its full HCL → QNAP TS-659 Pro+ See its full HCL → QNAP TS-659 Pro II See its full HCL → QNAP TS-669L See its full HCL → QNAP TS-669 Pro See its full HCL → QNAP TS-670 See its full HCL → QNAP TS-670 Pro See its full HCL → QNAP TS-809U-RP See its full HCL → QNAP TS-809 Pro See its full HCL → QNAP TS-851 See its full HCL → QNAP TS-853U See its full HCL → QNAP TS-853U-RP See its full HCL → QNAP TS-853 Pro See its full HCL → QNAP TS-859U-RP See its full HCL → QNAP TS-859U-RP+ See its full HCL → QNAP TS-859 Pro See its full HCL → QNAP TS-859 Pro+ See its full HCL → QNAP TS-863U See its full HCL → QNAP TS-863U-RP See its full HCL → QNAP TS-863XU See its full HCL → QNAP TS-863XU-RP See its full HCL → QNAP TS-869L See its full HCL → QNAP TS-869U-RP See its full HCL → QNAP TS-869 Pro See its full HCL → QNAP TS-870 See its full HCL → QNAP TS-870U-RP See its full HCL → QNAP TS-870 Pro See its full HCL → QNAP TS-879U-RP See its full HCL → QNAP TS-879 Pro See its full HCL → QNAP TS-EC1080 Pro See its full HCL → QNAP TS-EC1279U-RP See its full HCL → QNAP TS-EC1279U-SAS-RP See its full HCL → QNAP TS-EC1280U See its full HCL → QNAP TS-EC1280U R2 See its full HCL → QNAP TS-EC1679U-RP See its full HCL → QNAP TS-EC1679U-SAS-RP See its full HCL → QNAP TS-EC1680U See its full HCL → QNAP TS-EC1680U R2 See its full HCL → QNAP TS-EC2480U See its full HCL → QNAP TS-EC2480U R2 See its full HCL → QNAP TS-EC879U-RP See its full HCL → QNAP TS-EC880U See its full HCL → QNAP TS-EC880U R2 See its full HCL → QNAP TS-EC880 Pro See its full HCL → QNAP TVS-1271U-RP See its full HCL → QNAP TVS-463 See its full HCL → QNAP TVS-471 See its full HCL → QNAP TVS-663 See its full HCL → QNAP TVS-671 See its full HCL → QNAP TVS-863 See its full HCL → QNAP TVS-863+ See its full HCL → QNAP TVS-871 See its full HCL → QNAP TVS-871T See its full HCL → QNAP TVS-871U-RP See its full HCL → QNAP TVS-EC1080 See its full HCL → QNAP TVS-EC1080+ See its full HCL → QNAP TVS-EC1280U-SAS-RP See its full HCL → QNAP TVS-EC1280U-SAS-RP R2 See its full HCL → QNAP TVS-EC1580MU-SAS-RP See its full HCL → QNAP TVS-EC1580MU-SAS-RP R2 See its full HCL → QNAP TVS-EC1680U-SAS-RP See its full HCL → QNAP TVS-EC1680U-SAS-RP R2 See its full HCL → QNAP TVS-EC2480U-SAS-RP See its full HCL → QNAP TVS-EC2480U-SAS-RP R2 See its full HCL → QNAP TVS-EC880 See its full HCL → QNAP UX-1200U-RP See its full HCL → QNAP UX-500P See its full HCL → QNAP UX-800P See its full HCL → QNAP UX-800U-RP See its full HCL →

Same-capacity alternatives

Other drives listed at 4 TB capacity, ranked by how many machines list them:

Toshiba MG04ACA400E 451 machines · MG04ACA**** Western Digital WD4003FFBX 390 machines · Red Pro Seagate ST4000NE0015 379 machines · Enterprise NAS HDD Toshiba MG04ACA400N 353 machines · MG04ACA**** Western Digital WD40PURZ 352 machines · Purple Seagate ST4000NM002A 346 machines · Exos 7E8 Seagate ST4000NE0025 344 machines · IronWolf Pro Western Digital HUS726T4TALA6L4 333 machines · Ultrastar 7K6

Quick answers

Is the WD4000F9YZ (Se) officially compatible with my NAS?

It appears on the official compatibility lists of 179 machines and series — 179 QNAP. Every machine page linked below shows the vendor's own list entry, refreshed daily.

Is the WD4000F9YZ (Se) a good NAS drive?

This is a Enterprise-class drive: rated for heavier sustained workloads than desktop drives. It is a strong pick for a NAS running 24/7, large-array rebuilds or camera workloads, and enterprise lines are also the drives most widely listed across all five vendors' HCLs. No series-level recording rating is on file for this part number yet, so check CMR vs SMR on the exact model before buying for an array.

Can I use the WD4000F9YZ (Se) for a 3-2-1 cold backup copy?

No series-level recording rating is on file for this part number yet — check the exact model for CMR vs SMR before buying it as a large cold copy (SMR is the one trait that makes a 16 TB+ backup copy painfully slow). The 3-2-1 guide and the backup tools encyclopedia cover what to schedule it with.

What are alternatives to the WD4000F9YZ (Se)?

At the same capacity, the most widely listed alternatives are Toshiba MG04ACA400E (451 machines), Western Digital WD4003FFBX (390 machines), Seagate ST4000NE0015 (379 machines). The full ranked list is below.