Hitachi Consumer 640GB

Other HDD

Part number HDT721064SLA360 · Consumer series · SATA 3Gb/s (SATA II). If your machine is listed below, this drive is officially supported — not a forum workaround.

ConsumerNAS HARD DRIVE3.5" SATA HDDHITACHI

Part of the Hitachi Consumer series →

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32
Compatible NAS models
0 Syn · 32 QNAP · 0 Asus · 0 TM
By vendor
640 GB
Listed capacity
Hitachi
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 32 machines and series — 32 QNAP. Check the class badge above: drives tagged NAS or Enterprise are built for 24/7 multi-bay operation. Desktop-class drives often lack vibration resistance and are usually absent from vendor 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 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-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-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 →

Same-capacity alternatives

Other drives listed at 640 GB capacity, ranked by how many machines list them:

Western Digital WD6400AAKS 146 machines · Western Digital WD6401AALS 72 machines · Consumer Western Digital WD6402AAEX 72 machines · Consumer Seagate ST3640323AS 72 machines · Consumer BarraCuda Samsung HD642JJ 72 machines · Consumer Toshiba MK6459GSXP 53 machines · Western Digital WD6400AACS 48 machines · Consumer

Quick answers

Is the HDT721064SLA360 officially compatible with my NAS?

It appears on the official compatibility lists of 32 machines and series — 32 QNAP. Every machine page linked below shows the vendor's own list entry, refreshed daily.

Is the HDT721064SLA360 a good NAS drive?

Check the class badge above: drives tagged NAS or Enterprise are built for 24/7 multi-bay operation. Desktop-class drives often lack vibration resistance and are usually absent from vendor 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 HDT721064SLA360 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 HDT721064SLA360?

At the same capacity, the most widely listed alternatives are Western Digital WD6400AAKS (146 machines), Western Digital WD6401AALS (72 machines), Western Digital WD6402AAEX (72 machines). The full ranked list is below.