Verdict

These are closely matched NAS drives of the same capacity - decide on price and warranty. Check the live $/TB above.

WD101PURP
WD Purple Pro · 10TB · Surveillance
C$760 (C$76.00/TB)
WD102KRYZ
WD Gold · 10TB · Enterprise
No CA price yet

Value at a glance

Price / TB
WD101PURP $52.60
WD102KRYZ $55.08
Capacity
WD101PURP 10 TB
WD102KRYZ 10 TB
Noise (idle)
WD101PURP 20 dB
WD102KRYZ 20 dB

Price history

CA · cheapest per day

WD101PURP C$760 WD102KRYZ C$600
zoomed · drag to zoom
C$760 C$545 C$330 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 2026
WD101PURP WD102KRYZ
Capacity 10 TB 10 TB
Recording tech CMR CMR
RAID / NAS safe Yes Yes
Class Surveillance Enterprise
Spindle speed 7200 RPM 7200 RPM
Cache 256 MB 256 MB
Noise (idle) 20 dB 20 dB
Fill Helium Helium
Interface SATA SATA
Failure rate (AFR) - -
Price / TB $52.60 $55.08
Buy
C$760
View at Amazon →
No CA price yet

Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price. Buy links are Amazon affiliate.

WD101PURP

No Backblaze failure data for this model.

5yr warranty · 550 TB/yr rated · 2,500,000h MTBF

WD102KRYZ

No Backblaze failure data for this model.

5yr warranty · 550 TB/yr rated · 2,500,000h MTBF