Hard Drives (HDD)

Seagate Exos 7E10 4TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 256MB Cache for Server ST4000NM025B

• No native SATA support — requires SAS controller or adapter for consumer PCs.
• Less cost-effective for home NAS use than consumer-grade HDDs of similar capacity.
• Up to 256 MB cache speeds up small-file reads.

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

• Massive 24TB capacity suits high-density server and recorder storage needs.
• CMR recording technology ensures consistent write performance for enterprise workloads.
• No mention of a specific workload rating (e.g., TB/year) for durability expectations.

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

• Massive 24TB capacity significantly expands storage for large NAS environments.
• 7200 RPM spindle speed and 512MB cache offer strong sustained throughput for heavy workloads.
• High power consumption and heat output are expected given the 24TB capacity and 7200 RPM.

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

• High 12TB capacity meets large-scale server storage needs.
• CMR recording technology ensures consistent performance and data reliability.
• Designed for servers, it may be noisier and generate more heat than consumer drives.

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

Dell 2TB HDD Hard Drive 3.5" SATA III 7200rpm for Server 161-BBRC

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

• Idle and active power consumption are higher than lower-RPM models, increasing operational costs.
• 7200 RPM operation generates more noise and heat compared to 5400 RPM alternatives.
• Massive 22TB capacity suits high-density storage for NAS, servers, or recorders.

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

• Large 3TB capacity provides ample storage for extended video recording.
• SATA III interface ensures reliable data transfer for continuous recording workloads.
• 5400rpm speed is slower than 7200rpm drives, potentially affecting file transfer speeds.

Toshiba Surveillance S300 AI 10TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Recorder MG10ADA10TE-V

• Large 10TB capacity provides ample storage for extensive surveillance footage.
• CMR recording technology ensures consistent read/write performance for reliable video recording.
• Designed specifically for recorder use, not optimized for general-purpose NAS or desktop workloads.

Seagate SkyHawk AI 32TB HDD Hard Drive 3.5" SATA III 7200rpm with 512MB Cache for Recorder ST32000VE000

• Massive 32TB capacity provides extensive storage for high-resolution surveillance footage.
• High 7200rpm spindle speed and 512MB cache deliver consistent performance for heavy recorder workloads.
• At 7200rpm, it may generate more noise and heat than lower-speed surveillance drives.

Seagate Exos 7E10 10TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 256MB Cache for NAS / Server / Recorder ST10000NM018B

• High 10TB capacity suits demanding NAS and server storage needs.
• SAS 3.0 interface delivers reliable, high-speed data transfer for enterprise workloads.
• SAS interface requires compatible controllers, limiting use in standard consumer setups.

Seagate Exos X18 18TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 256MB Cache for NAS / Server ST18000NM004J

• Massive 18TB capacity provides ample storage for NAS or server environments.
• 7200rpm spindle speed ensures good performance for sustained data transfers.
• SAS interface is not compatible with standard consumer SATA ports without an adapter or controller.

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

• Massive 24TB capacity suits high-volume surveillance recording without frequent swaps.
• CMR recording technology ensures consistent write performance for continuous data streams.
• No mention of workload rating or MTBF, raising questions about long-term reliability.

HP 834031-B21 8TB HDD Hard Drive 3.5" SAS 3.0 7200rpm for Server

• Large 8TB capacity suits high-density server storage needs.
• SAS 3.0 interface provides reliable enterprise-grade data transfer.
• 7200 rpm speed is slower than modern SSD or 10K/15K enterprise drives.

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

Synology HAS5310 20TB HDD Hard Drive 3.5" SAS 3.0 7200rpm with 281MB Cache for NAS HAS5310-20T

• High 20TB capacity suits demanding NAS storage expansions.
• 281MB cache aids sustained sequential write performance.
• SAS interface is incompatible with consumer SATA-only motherboards and enclosures.

Toshiba Enterprise 20TB HDD Hard Drive 3.5" SATA III 7200rpm for Desktop MG11ACA20TE

• Massive 20TB capacity in a single 3.5-inch drive reduces need for multiple disks.
• CMR recording technology ensures consistent write performance and reliability.
• High power consumption and heat output typical of 7200rpm enterprise drives.

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

• High 10TB capacity suits enterprise server storage needs.
• 7200rpm spindle speed ensures decent sequential read/write performance.
• No mention of CMR or SMR recording technology, which affects write endurance.

Seagate Exos 7E10 512n 6TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for Server ST6000NM000B

• 6TB capacity suits medium-density server storage without sacrificing 3.5-inch bays.
• 256MB cache helps maintain consistent transfer rates during sustained workloads.
• 512n sector format may require additional driver or OS support on newer systems preferring 4Kn.

Toshiba MG08 6TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for Server MG08ADA600E

• Massive 6TB capacity suits high-density server storage needs.
• 7200rpm spindle speed provides solid sequential read/write performance for data centers.
• No mention of CMR or SMR recording technology, which can affect sustained write performance.

Seagate Exos 7E10 4TB HDD Hard Drive 3.5" SATA III 7200rpm for NAS / Server / Recorder ST4000NM024B

• High 7200 RPM spindle speed ensures fast data access for demanding NAS or server workloads.
• 4TB capacity offers ample storage for medium-scale archival or surveillance recording needs.
• Enterprise-grade design may generate more noise and heat than consumer desktop drives.

Toshiba MG08A 8TB HDD Hard Drive 3.5" SATA III 7200rpm with 256MB Cache for Server MG08ADA800E

Fujitsu 2TB HDD Hard Drive 3.5" SATA III 7200rpm for Server PY-BH2T7B9

• High 7200 RPM spindle speed ensures fast data access for server workloads.
• 2TB capacity provides ample storage for moderate server or backup needs.
• No mention of cache size or error recovery features, limiting performance predictability.

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

• Massive 26TB capacity provides extensive storage for high-resolution surveillance footage.
• 7200 RPM spindle speed ensures consistent read/write performance for continuous recording workloads.
• High capacity comes at a significant price premium compared to lower-capacity drives.