Western Digital WD RE4 250GB Hard Disk

Western Digital WD RE4 250GB 3.5" 7200 RPM SATA II 64 MB Cache - WD2503ABYX

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Ideal For Servers, Video Surveillance, And Other Demanding Write-Intensive Applications, WD RE4 7200 RPM Enterprise SATA Hard Drives Offer Capacities Up To 2 TB, 64 MB Cache, And 4Th Generation Vibration Tolerance.
Dual Processor - With Double The Processing Power, WD RE4 Boasts The Highest Performance Of Any Drive In The WD RE Family.
Thermal Extended Burn-In Test - Each Drive Is Put Through Extended Burn-In Testing With Thermal Cycling To Ensure Reliable Operation.
RAID-Specific, Time-Limited Error Recovery (TLER) - Prevents Drive Fallout Caused By The Extended Hard Drive Error-Recovery Processes Common To Desktop Drives.

Specifications Overview

Model	WD2503ABYX
Capacity	250 GB
Cache	64MB
RPM	7200
Interface	SATA 3 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

Western Digital WD RE4 250GB Performance comparison with similar Hard Disk Drives

(Higher is better)

Western Digital WD RE4 250GB Performance

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

Seagate SkyHawk 8TB ST8000VX0022 (98th)		108%
Western Digital Caviar Green 1TB (98th)		108%
Seagate 4TB BarraCuda ST4000DM004 (101st)		106%
Western Digital Caviar Green 3TB (101st)		106%
Samsung Spinpoint F4EG 2TB (103rd)		103%
WD RE4 1TB WD1003FBYX (103rd)		103%
SAMSUNG Spinpoint 1TB HD103SJ (105th)		101%
Seagate Skyhawk 6TB ST6000VX0023 (105th)		101%
WD RE4 500GB (105th)		101%
Seagate Barracuda Green 2TB ST2000DL003 (108th)		~
Western Digital WD RE4 250GB (108th)		100%
Seagate Barracuda 500GB (110th)		98%
Western Digital Caviar Black 1TB WD1002FAEX (111th)		96%
Hitachi Deskstar 7K1000 1TB (111th)		96%
Western Digital Caviar Green 500GB (111th)		96%
WD 300GB VelociRaptor WD3000HLFS (111th)		96%
Seagate Barracuda Green 1TB ST1000DL002 (111th)		96%
Seagate 12TB IronWolf NAS (116th)		94%
Seagate Barracuda 1.5TB ST31500341AS (117th)		91%
Western Digital Black 750GB (117th)		91%
Seagate Barracuda 250GB (117th)		91%