Western Digital 机械硬盘（HDD）

Western Digital Ultrastar HC555 20TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Server 0B48724

Western Digital Ultrastar DC HA340 10TB HDD Hard Drive 3.5" SATA III 7200rpm for Server / Recorder 0B47062

Western Digital WD Black 6TB HDD Hard Drive 3.5" SATA III 7200rpm for Desktop WD6004FZWX

Western Digital Ultrastar DC HC570 512E SE P3 DC 22TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Server 0F48052

• 22TB超大容量，适合服务器高密度存储需求。
• SAS 3.0接口提供稳定高速的数据传输性能。
• SAS接口兼容性有限，普通消费级设备无法直接使用。

Western Digital Ultrastar 18TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Server 0B47747

Western Digital Ultrastar DC HC580 24TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Server 0F62802

• 24TB超大容量，满足企业级海量数据存储需求。
• SAS 3.0接口提供高带宽和稳定性，适合服务器环境。
• SAS接口与消费级设备不兼容，需要专用控制器或背板。

Western Digital HC555 Data Center SE 14TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Server / Recorder 0B47743

Western Digital Ultrastar DC HC690 26TB HDD Hard Drive 3.5" SAS 2.0 7200rpm with 512MB Cache for NAS / Server / Recorder 0F59375

Western Digital Purple Pro Smart 24TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Recorder WD241PURP

Western Digital Blue 3TB HDD Hard Drive 3.5" SATA III 5400rpm with 256MB Cache for Desktop WD30EZAZ

Western Digital Gold Enterprise Class 24TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Server / Recorder WD241KRYZ

• 价格较高，对预算有限的家庭或小型企业用户不够友好。
• 7200rpm转速下噪音和发热量均高于5400rpm型号，需注意散热。
• 24TB超大容量，适合长时间视频监控或服务器密集存储需求。

Western Digital Red Pro 24TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for NAS WD240KFGX

Western Digital Ultrastar 12TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for Server 0B47063

Western Digital DC HC590 24TB HDD Hard Drive 3.5" SATA III 7200rpm for NAS / Server 0F59373

Western Digital Ultrastar DC HC580 22TB HDD Hard Drive 3.5" SATA III 7200rpm for NAS / Server / Recorder 0F62791

Western Digital 3TB HDD Hard Drive 3.5" SATA III 5400rpm with 128MB Cache for Recorder WD34PURZ

Western Digital 24TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Recorder WD240PURP

Western Digital DC HC690 24TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for NAS / Server / Recorder 0F65684

Western Digital Ultrastar DC HC330 10TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for Server 0B42266 WUS721010ALE6L4

Western Digital Purple Pro 26TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Recorder WD260PURP

Western Digital Blue 4TB HDD Hard Drive 3.5" SATA III 5400rpm with 256MB Cache for Desktop WD40EZAX

Western Digital Ultrastar DC HC560 SE 20TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for NAS / Server 0F38652

Western Digital Ultrastar HC555 12TB HDD Hard Drive 3.5" SATA III with 512MB Cache for Server / Recorder 0B48720

• 转速、寻道时间等关键性能参数未公开，无法评估随机访问表现
• 3.5英寸尺寸不兼容2.5英寸硬盘位或轻薄机箱
• 适合服务器和监控录像机的高耐久读写场景

Western Digital Purple Surveillance 6TB HDD Hard Drive 3.5" SATA III 5700rpm with 128MB Cache for Recorder WD62PURZ