Login/Register
Help
Images for illustrative purposes
<%=manufacture1 %> Logo FREE Delivery on orders over €250

0 Available to Ship
Restock 16-Jun-2026 Estimated, Out of Stock Prices are Estimated.

RRP €1039.45
€674.85 Incl Vat
Bulk Pricing from €654.61 Bulk Pricing
Qty.
10
50
Price
€661.36
€654.61
Wishlist Compare Share

Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard drives. The DC HC500 series is designed for public and private cloud environments.


Specification Summary

Product Description
WD Ultrastar DC HC520 HUH721212AL5204 - hard drive - 12 TB - SAS 12Gb/s
Type
Hard drive - internal
Capacity
12 TB
Form Factor
3.5"
Interface
SAS 12Gb/s
Data Transfer Rate
1.2 GBps
Buffer Size
256 MB
Spindle Speed
7200 rpm
Features
Perpendicular Magnetic Recording (PMR), Secure Erase function, Enterprise, 24x7 availability
Dimensions (WxDxH)
101.6 mm x 147 mm x 26.1 mm
Weight
660 g
Manufacturer Warranty
5-year warranty

Specifications

EAN / GTIN:
8717306638906
General
Device Type
Hard drive - internal
Capacity
12 TB
Form Factor
3.5"
Interface
SAS 12Gb/s
Buffer Size
256 MB
Bytes per Sector
512
Features
Perpendicular Magnetic Recording (PMR), Secure Erase function, Enterprise, 24x7 availability
Width
101.6 mm
Depth
147 mm
Height
26.1 mm
Weight
660 g
Performance
Drive Transfer Rate
1.2 GBps (external)
Seek Time
8 ms (average)
Average Latency
4.16 ms
Spindle Speed
7200 rpm
Reliability
MTBF
2,500,000 hours
24x7 Operation
Yes
Non-Recoverable Errors
1 per 10^15
Load / Unload Cycles
600,000
Expansion & Connectivity
Interfaces
1 x SAS 12 Gb/s
Compatible Bay
3.5"
Power
Power Consumption
9.8 watt (active) ¦ 6.1 watt (idle)
Manufacturer Warranty
Service & Support
Limited warranty - 5 years
Environmental Parameters
Min Operating Temperature
5 °C
Max Operating Temperature
60 °C
Min Storage Temperature
-40 °C
Max Storage Temperature
70 °C
Shock Tolerance (operating)
70 g @ 2 ms half-sine wave
Shock Tolerance (non-operating)
300 g @ 2 ms half-sine wave
Vibration Tolerance (operating)
0.67 g @ 5-500 Hz
Vibration Tolerance (non-operating)
1.04 g @ 2-200 Hz

Essential Bundles

Options


Reviews

Showcase

Recently viewed items
ECE4521912
WESTERN DIGITAL - WD Ultrastar DC HC520 HUH721212AL5204 - Hard drive - 12 TB - internal - 3.5" - SAS 12Gb/s - 7200 rpm - buffer: 256 MB
 
Free Delivery
€674.85
Bulk Price from €654.61
ECE6821929
PANASONIC - FZ-VSCG211U - SmartCard reader/writer - for Toughbook G2, G2 Standard
 
€85.55
 
ECE6817369
HPE - Tech Care Basic Service with Defective Media Retention - Extended service agreement - parts and labour - 3 years - on-si...
 
Price at 30 Day Low
€224.38
 
ECE10381639
Solidigm - D7-PS1010 Series - SSD - Enterprise - 3.84 TB - internal - E3.S - PCI Express 5.0 x4 (NVMe)
 
Free Delivery
€3279.75
Bulk Price from €3181.36
MMECK71631
LENOVO - Onsite Upgrade - extended service agreement - 3 years - on-site
 
€37.83
 
WCEAY228AA
HP - Standalone Device Registration Service - technical support - 5 years - on-site
 
€12.73
 
ECE13218963
SONY - 50" IR Touch Overlay for BZ-P Series
 
Free Delivery
€1033.40
 
ECE3866100
HPE - Foundation Care Next Business Day Software Support - Technical support - for HPE Intelligent Management Center Wireless ...
 
Free Delivery
€1239.75
 
WCEDSO1TS10FERUG
DATA SELECT - SAM S10 FE MIL CASE
 
€42.37
 
ECE8691116
HP - 925 - Yellow - original - ink cartridge
 
€15.78
 
ECE2392110
HPE - Power Line Communication - Power cable - IEC 60320 C19 to IEC 60320 C20 - 3 m - for HPE Intelligent Modular Power Distri...
 
€149.75
 
ECE9885496
AOC - 22E2UMF - LED monitor - 22" (21.5" viewable) - 1920 x 1080 Full HD (1080p) @ 75 Hz - VA - 3000:1 - HDMI, VGA, DisplayPor...
 
€114.67
 
WCEU3BS5E
HPE - Foundation Care Next Business Day Service with Defective Media Retention - extended service agreement - 3 years - on-sit...
 
Free Delivery
€1065.35
 
ECE6817522
HPE - Tech Care Basic Service - Extended service agreement - parts and labour - 3 years - on-site - 9x5 - response time: NBD -...
 
Was €232.04 -27%
€169.75
 
ECE11917578
APPLE - Loop for smart watch - 46mm - M/L size - slate - for Watch HermΦs Series 9, SE 3, Series 10, Series 11, Series 8, Series...
 
€139.75
 
WCEU61E2E
HP - Electronic HP Care Pack Next Business Day 9x5 Hardware Support - extended service agreement - 5 years - on-site
 
Price at 30 Day Low
€189.75
 
ECE2339885
HPE - HP 3y Nbd Exch Plus 5412zl bndl Support,HP Networks E5412 zl Switch Bundle,3y Next Business Day HW exchange SVC 24x7 SW ...
 
Free Delivery
€2503.10
 
ECE6817620
HPE - Tech Care Essential Service Post Warranty - Extended service agreement - parts and labour - 1 year - on-site - 24x7 - re...
 
€169.75
 
ECE6560685
HPE - Aruba AP-577 (RW) FIPS/TAA - Radio access point - ZigBee, Bluetooth, Wi-Fi 6 - 2.4 GHz, 5 GHz - TAA Compliant
 
Free Delivery
€2929.75
 
WCEU22K7E
HP - Electronic HP Care Pack Onsite Support w/Predictive Detection Alerts/DMR - extended service agreement - 4 years - on-sit...
 
Price at 30 Day Low
€169.75
 
ECE12252130
SEAGATE - Expansion refresh 2TB
 
€149.75
Bulk Price from €145.26
ECE4291190
HP - Electronic HP Care Pack Next Business Day Hardware Support with Defective Media Retention - Extended service agreement -...
 
Free Delivery
€455.40
 
ECE6817018
HPE - Tech Care Essential Service Post Warranty - Extended service agreement - parts and labour (for servers) - 1 year - on-si...
 
Price at 30 Day Low
€249.75
 
ECE11528990
DICOTA - Notebook privacy filter - 2-way - adhesive - black - for Lenovo ThinkPad X12 Detachable
 
€60.87
 
WCEU3D86E
HPE - Proactive Care 24x7 Software Service - technical support - for HPE Hot Plug Advanced Pack - 3 years
 
€144.14
 
ECE11907717
DICOTA - Notebook privacy filter - 2-way - adhesive - 13"
 
€55.12
 
ECE2497561
HPE - Air Flow Optimization Kit
 
€95.85