$630 ($52.54/TB)
Best price at Amazon · US
Last checked Jul 21, 2026 · Price and availability subject to change.
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Specifications

Capacity
12 TB
Technology
CMR
Class
NAS
RPM
7200
Cache
256 MB
Noise (idle / seek)
20 dB
Fill
Helium
Interface
SATA
Form factor
3.5"
Data confidence
High

Is HDWG21C SMR or CMR? →

Reliability

No large-scale failure-rate data - Backblaze tracks mostly datacenter-class drives, so consumer/SMR models rarely appear. Reliability rankings →

Warranty3 years
Rated workload180 TB/yr
MTBF1,000,000 hrs

NAS drive for up to 8-bay systems and 24/7 operation.

Manufacturer-rated specs (Manufacturer spec), not observed failure data.

Price history

US · cheapest per day $630 latest
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$636 $429 $222 Mar 2025 Jun 2025 Sep 2025 Dec 2025 Apr 2026 Jul 2026

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