Hardware Spec Index

Altrix HD-9677 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive

Hard Drives · Altrix · SKU HD9677-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,517 (Hard Drives scale)
Category rank#7,758
Street price$439
Power8 W
Performance per dollar5.73
Released2025

Specifications

BrandAltrix
ModelAltrix HD-9677 Ultra
Capacity20 TB
ClassEnterprise
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSAS 12 Gb/s
Sustained transfer280 MB/s
Workload rating550 TB/year
MTBF2.5 million hours
Helium-filledYes
Warranty5 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Altrix HD-9071 Prime 20TB 7,200 RPM CMR Enterprise Hard Drive2,183$299Compare
Altrix HD-4960 Max 24TB 7,200 RPM CMR Enterprise Hard Drive2,363$299Compare
Altrix HD-7092 Pro 4TB 5,400 RPM CMR Surveillance Hard Drive1,263$99Compare
Altrix HD-3651 Max 8TB 7,200 RPM SMR Desktop Hard Drive1,359$129Compare
Novexa HD-1625 Core 4TB 5,400 RPM CMR Surveillance Hard Drive1,544$139Compare
Novexa HD-7597 Max 12TB 7,200 RPM SMR Desktop Hard Drive1,584$169Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Altrix HD-9677 Ultra 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/83674401 (accessed 2026-10-21).