WD Blue 250GB Everyday PC Desktop Hard Drive: 3.5 Inch, SATA 6 Gb/s, 7200 RPM, 16MB Cache (WD2500AAKX) (Old Model) available on June 20 2018 from Amazon for 23.00
Western Digital Blue Wd2500aakx 250 Gb 3.5-inch Internal Hard Drive - Sata - 7200 Rpm - 16 Mb Buffer available on October 21 2016 from TechForLess for 37.49
UPC bar code 718037773407 ξ3 registered February 20 2017
UPC bar code 718037773407 ξ4 registered October 21 2016
UPC bar code 718037773407 ξ2 registered February 04 2015
UPC bar code 718037773407 ξ1 registered September 19 2014
Product category is WD2500AAKX WD 0718037773407 Electronic Digital
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 WESTERN DIGITAL 250GB BLUE SATA 6GB/S 3.5IN HARD DISK DRIVE. NON-CANCELLABLE AND NON-RETURNABLE
^ (2012). WD Blue WD2500AAKX - hard drive - 250 GB - SATA-600, Western Digital. UPC 718037773407 (revised May 2016)
^Western Digital Caviar Blue 250GB Internal 7200RPM 3.5" (WD2500AAKX) HDDUPC 718037773407 (revised Jun 2016)
^WD Blue 250GB Everyday PC Desktop Hard Drive: 3.5 Inch, SATA 6 Gb/s, 7200 RPM, 16MB Cache (WD2500AAKX) (Old Model), Western Digital. Amazon. UPC 718037773407 (revised Jun 2018)
^Western Digital Blue Wd2500aakx 250 Gb 3.5-inch Internal Hard Drive - Sata - 7200 Rpm - 16 Mb Buffer, Western Digital. TechForLess. UPC 718037773407 (revised Oct 2016)