WD Blue 250GB WD2500AAKX Hard Disk

WD Blue 250GB 3.5" SATA 6 Gb/s 7200 RPM 16MB Cache (WD2500AAKX)

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Out of Stock	Out of Stock	$29.99 +Free shipping	+Free	Buy
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Last updated 25 minutes ago.

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Options (1)

320 GB
$49.99

WD Caviar Blue hard drives have a multitude of features including third generation SATA interface with 6 GB/s transfer rate.
Plus rock solid performance and ultra-cool and quiet operation.
WhisperDrive technology minimizes noise to levels near the threshold of human hearing.
SoftSeek technology streamlines read/write seeking algorithms, resulting in more efficient operation.
Ships in Certified Frustration-Free Packaging

Specifications Overview

Model	WD2500AAKX
Release Date	December 2010 * First availability for purchase, it may not correspond to the actual market launch date.
Capacity	250 GB
Cache	16MB
RPM	7200
Interface	SATA 6 Gb/s
Form Factor	3.5"

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C

WD Blue 250GB WD2500AAKX Performance comparison with similar Hard Disk Drives

(Higher is better)

WD Blue 250GB WD2500AAKX Performance

Sequential read/write speed, Random 4K read/write speed

Seagate Barracuda 1.5TB ST31500341AS (117th)		108%
Seagate Barracuda 500GB ST3500418AS (117th)		108%
Seagate Barracuda Green 1.5TB ST1500DL003 (117th)		108%
Seagate Laptop SSHD 1TB Hybrid (124th)		104%
Western Digital Caviar Green 2TB WD20EARS (125th)		102%
Western Digital 500GB WD Purple (126th)		~
Western Digital Black 500GB WD5000BPKX (126th)		~
Western Digital Caviar SE16 WD6400AAKS (126th)		~
WD Green 2TB WD20EARX (126th)		~
Western Digital Caviar Blue 640GB (126th)		~
WD Blue 250GB WD2500AAKX (126th)		100%
Seagate Barracuda 250GB ST3250318AS (132nd)		98%
Western Digital 500GB Caviar Blue WD5000AAKS (133rd)		96%
estern Digital 320GB WD3200AAJS (133rd)		96%
Western Digital Red 1TB (133rd)		96%
Samsung 1TB SATA II HD103UJ (136th)		92%
WD Blue 320GB WD3200AAKX (136th)		92%
Seagate FireCuda Gaming SSHD 2TB ST2000LX001 (136th)		92%
Seagate Barracuda 500GB ST3500320AS (136th)		92%
Seagate 500GB Gaming SSHD ST500LM000 (136th)		92%
Seagate 1TB Firecuda (136th)		92%

View chart ►

WD Blue 250GB WD2500AAKX Price/Performance Analysis

Sequential read/write speed, Random 4K read/write speed vs Price

Price-to-Performance Analysis:

Fair value: 7.6% below average.
3 products offer better price-to-performance ratio.
Best alternative: Western Digital WD RE4 250GB offers 44.3% better value priced at $45.