Western Digital Hard Drives (HDD)

Western Digital Red Pro 18TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for NAS / Server WD181KFGX

• 18TB capacity provides ample storage for large-scale NAS or server deployments.
• 7200 RPM spindle speed with 512MB cache can deliver solid sequential transfer rates.
• No detailed workload rating or MTBF specified, making long-term endurance hard to estimate.

Western Digital Blue CMR 2TB HDD Hard Drive 3.5" SATA III 5400rpm with 64MB Cache for Recorder WD20EARZ

Western Digital Gold Enterprise Class 10TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Server WD103KRYZ

Western Digital Blue 4TB HDD Hard Drive 3.5" SATA III 5400rpm with 128MB Cache for Desktop WD40EZZX

Western Digital Gold 16TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Desktop WD161KRYZ

Western Digital Red Pro 4TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for NAS WD4005FFBX

• CMR recording ensures consistent write speeds and reliability for RAID arrays.
• 7200rpm spindle with 256MB cache provides solid transfer performance for multi-user NAS workloads.
• Higher power consumption and vibration than 5400rpm drives, which may impact cooling in tightly packed enclosures.

Western Digital Gold 12TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Server WD122KRYZ

Western Digital Gold 18TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Desktop / NAS / Server WD181KRYZ

Western Digital Red Plus 4TB HDD Hard Drive 3.5" SATA III 5400rpm with 128MB Cache for NAS / Server WD40EFZZ

• CMR recording technology ensures consistent write performance for RAID arrays.
• 5400 rpm speed keeps noise and vibration low, ideal for 24/7 NAS operation.
• 5400 rpm spindle speed limits sustained transfer rates compared to 7200 rpm drives.

Western Digital Ultrastar DC HC580 22TB HDD Hard Drive 3.5" SATA III 7200rpm for Server 0F62785

• Not designed for consumer desktops; enterprise use means higher price than consumer HDDs.
• SATA III interface limits maximum theoretical throughput compared to SAS or NVMe alternatives.
• Massive 22TB capacity in a single 3.5-inch SATA drive reduces server drive bay count and power needs.

Western Digital Red Pro 26TB HDD Hard Drive 3.5" SATA III with 512MB Cache for NAS WD260KFGX

• Massive 26TB capacity ideal for high-density NAS storage.
• 512MB cache enhances data access performance.
• Mechanical hard drive is slower than SSDs for random access tasks.

Western Digital Ultrastar DC HC330 10TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 256MB Cache for Server WUS721010AL5204 0B42258

Western Digital Ultrastar DC HC580 24TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Server / Recorder 0F62796

Western Digital Ultrastar DC HC570 22TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Server 0F48155

• Noise and vibration levels are higher than consumer drives due to enterprise tuning.
• SATA III bandwidth may bottleneck in all-flash or high-throughput NVMe arrays.
• Massive 22TB capacity maximizes storage density in enterprise server bays.

Western Digital Blue 1TB HDD Hard Drive 3.5" SATA III 5400rpm with 64MB Cache for Desktop / Laptop / PS4 WD10EARZ

Western Digital Ultrastar DC HC550 16TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Desktop 0F38357

Western Digital Ultrastar DC HA340 6TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for NAS / Server / Recorder 0B47077

Western Digital DC HC690 26TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for NAS / Server / Recorder 0F65672

Western Digital Gold 6TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for NAS / Server WD6004FRYZ

Western Digital Ultrastar HC555 20TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for NAS / Server 0B47749

• SAS interface requires a compatible controller or backplane, adding cost for typical home users.
• Higher power consumption and noise compared to 5400 RPM or SATA drives.
• Massive 20TB capacity suits high-density NAS and server storage needs.

Western Digital Blue 8TB HDD Hard Drive 3.5" SATA III 5700rpm with 256MB Cache for Desktop WD80EAAZ

• 5400 RPM spindle speed results in slower sequential transfer rates than 7200 RPM drives.
• Not optimized for heavy multitasking or server environments due to lower RPM.
• Large 8TB capacity provides ample space for media libraries and backups.

Western Digital Blue 6TB HDD Hard Drive 3.5" SATA III 5400rpm with 256MB Cache for Desktop WD60EZAZ

• Offers massive 6TB storage for desktop users at a reasonable price per gigabyte.
• Features a generous 256MB cache to help smooth sequential workloads.
• Uses SMR (Shingled Magnetic Recording), which can cause slow write performance during sustained or random writes.

Western Digital Ultrastar DC HC555 16TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 512MB Cache for Server 0B47745

• Massive 16TB capacity is ideal for high-density server storage environments.
• SAS 3.0 interface ensures reliable, high-performance data transfer for enterprise workloads.
• SAS interface requires a compatible SAS controller or backplane, limiting use in standard consumer PCs.

Western Digital Ultrastar DC HC555 18TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for NAS / Server / Recorder 0B48723

• Massive 18TB capacity allows for dense storage in servers and NAS systems.
• Large 512MB cache improves read/write performance for demanding workloads.
• Higher power consumption and heat output compared to lower-rpm or lower-capacity drives.