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Western Digital Ultrastar DC HA340 WUS721208BLE6L4 8TB Data Center HDD 3.5" SATA 6Gb/s 7200rpm 256MB CMR

Brand:
Western Digital
0B47078
€492.47
€586.04 inc. VAT
Out of stock
Product Code
03:280482
EAN Code
0829686008922
Manufacturer
Western Digital
Quick Specs
Capacity
8 TB
Interface
SATA 6 Gb/s
Speed
7200 RPM
Form Factor
3.5-inch
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WD Ultrastar DC HA340 WUS721208BLE6L4 — 8TB SATA HDD

8 TBSATA 6 Gb/s7200 RPMCMR · 256 MB

The Western Digital Ultrastar DC HA340 WUS721208BLE6L4 is an 8 TB data-center-class 3.5-inch SATA hard drive built for 24/7 server and storage-array workloads. It spins at 7200 RPM with a 256 MB cache over SATA 6 Gb/s and uses CMR recording with a 512e sector format. Identified by part number WUS721208BLE6L4 (EAN 0829686008922), it is rated for 550 TB/year workloads and a 2-million-hour MTBF. Typically in stock with fast delivery across Cyprus.

Compatibility & Setup
This is a bare internal 3.5-inch SATA drive — install it in a free 3.5-inch bay with a SATA data and power connection. It suits servers, storage systems, NAS and hardware or software RAID controllers. No mounting screws, cables or backplane are included, and the drive ships unformatted for initialisation in your host system.

Best For

✓Enterprise servers and storage arrays
✓NAS and RAID/JBOD systems
✓24/7 capacity and nearline storage
✓Backup, archival and content repositories
✓File and object storage solutions
✓Cost-effective data-center capacity

Key Features

 
CMR reliability
A CMR (conventional magnetic recording) design with 512e sectors delivers consistent write performance and full RAID compatibility — no SMR write penalty.
 
Data-center endurance
Rated for 550 TB/year workloads and a 2-million-hour MTBF, engineered for continuous 24/7 duty in servers and storage arrays.
 
Balanced performance
Up to 267 MB/s sustained transfer with a 256 MB cache handles capacity-oriented server workloads efficiently.
 
5-year limited warranty
Backed by a 5-year limited warranty for data-center-grade assurance in mission-critical deployments.

Technical Specifications

Identification
Brand Western Digital
Series Ultrastar DC HA340
Part Number WUS721208BLE6L4
EAN / GTIN 0829686008922
MPN WUS721208BLE6L4 (0B47078)
Capacity & Format
Capacity 8 TB
Form Factor 3.5-inch internal
Recording CMR — conventional magnetic recording
Sector Format 512e — 512-byte emulated
Class Data Center
Interface & Performance
Interface SATA 6 Gb/s
Rotational Speed 7200 RPM
Cache 256 MB
Sustained Transfer Up to 267 MB/s
Design Air-filled
Reliability
MTBF 2,000,000 hours
Rated Workload 550 TB/year
Non-recoverable Errors 1 in 10^15 bits read
Load/Unload Cycles 600,000
Warranty 5-year limited
Power & Physical
Read/Write Power ~7.4 W (typical)
Idle Power ~5.1 W (typical)
Dimensions (L×W×H) 147 × 101.6 × 26.1 mm
Weight ~715 g
Operating Temp 5–60 °C

Frequently Asked Questions

Is the WUS721208BLE6L4 SATA or SAS?
This part number is the SATA 6 Gb/s model — it drops into standard SATA ports on servers, NAS and RAID controllers that support 8 TB drives. A separate SAS version exists under a different part number.
Is the DC HA340 a CMR or SMR drive?
It uses CMR (conventional magnetic recording), so it delivers consistent write performance and full RAID compatibility — unlike SMR drives, which can slow under sustained writes.
Does it work in a NAS or server?
Yes. It is a SATA 6 Gb/s data-center drive for servers, NAS and RAID arrays. Confirm your system has a free 3.5-inch bay with a SATA data and power connector.
What do I need to know before buying?
It is a bare internal 3.5-inch SATA drive with no mounting kit or cables, and it ships unformatted for initialisation in your host. Typically in stock with fast delivery across Cyprus.
Singular Expert Insight
The Ultrastar DC HA340 is Western Digital’s mainstream data-center line; at 8 TB it is a cost-effective, dependable CMR SATA drive for servers and storage arrays that need proven 24/7 capacity rather than maximum density. If you need much higher capacity per bay, the helium-sealed Ultrastar HC-series in our enterprise/server HDD range scales to 24 TB and beyond. For maximum IOPS, an enterprise SSD is the alternative.

Buyer’s Guide

Buy it if
You need dependable 8 TB CMR capacity for a server or storage array
You run 24/7 workloads of up to 550 TB/year
You want data-center reliability and a 5-year warranty
Skip it if
You need much higher capacity per bay — see the Ultrastar HC-series
You only need occasional desktop backup — a consumer drive costs less
You need sub-millisecond latency — choose an enterprise SSD
Also consider
WD Ultrastar higher capacities (HC5xx up to 24TB)
WD Gold 8TB (WD8005FRYZ) as an alternative
Seagate Exos 7E10/7E8 8TB as an alternative

Features - Western Digital - 0B47078

Form Factor
  • 3.5"
Colour
grey
Interface
  • SATA
More Details
Product Code
03:280482
EAN Code
0829686008922
Manufacturer
Western Digital
Technical specifications
Capacity
8TB
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