HDWL120 - CMR or SMR?

SMR

The Toshiba L200 2TB (HDWL120) uses SMR recording.

Verified against: Toshiba statement: use of shingled magnetic recording (SMR) technology in Toshiba consumer hard drives (April 2020) · Checked

What this means for you

Shingled recording overlaps tracks like roof tiles to raise density. Reading is unaffected, and for sequential work, archives, media libraries, backup targets, files written once and read many times, this drive is genuinely fine and the saving is real. The problem is sustained random writing, because modifying data under an existing track can force the tracks above it to be rewritten too. A RAID rebuild or a ZFS resilver is hours of exactly that pattern with no idle time to recover, so a 2TB HDWL120 in an array can extend a rebuild dramatically, and the rebuild window is precisely when the array has no redundancy left. Do not put this drive in a NAS or a parity array.

Specifications

Model numberHDWL120
BrandToshiba
FamilyL200
Capacity2TB
Form factor2.5"
Rotational speed5400 RPM
Cache128 MB
Recording technologySMR
Workload rate
Warranty2 years
StatusCurrent
Replaced by

A dash means the manufacturer does not state that field for this exact model. We leave it blank rather than filling it from a retailer listing.

Need CMR at this capacity?

If this drive is going into an array, a NAS, or anything that rebuilds, shingled recording is the wrong choice at any price. These are conventionally-recorded drives at this capacity or one step up, in stock right now with live prices.

DriveCapacityRecording$/TBPrice
MG03SCA200 2TB SAS 6G2TBCMR$22.00$44Buy
P2000 2TB SAS 6G 7.2K2TBCMR$34.49$69Buy
2TB SATA 6G 7200RPM2TBCMR$50.00$100Buy

Related models

Other L200 capacities
HDWL1101TBSMR
The same capacity from other makers
ST2000LM0152TBSMRWD20SPZX2TBSMR
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Frequently asked questions

Is the HDWL120 CMR or SMR?

It is SMR. That comes from Toshiba statement: use of shingled magnetic recording (SMR) technology in Toshiba consumer hard drives (April 2020), which is Toshiba's own documentation for this exact part number rather than a capacity-level summary or a retailer listing.

Can I use the HDWL120 in a NAS or RAID array?

We would not. Shingled recording turns a rebuild into hours of the write pattern it handles worst, which can extend the window during which your array has no redundancy. For sequential and archival use outside an array this drive is fine.

What should I buy instead of the HDWL120 for a NAS?

A conventionally-recorded drive at 2TB or one step up. The table above lists what is in stock right now with live prices, and every model number linked there has its own verified page with the manufacturer source.

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