Hardware Spec Index

Strivon HD-4977 Ultra 20TB 7,200 RPM CMR NAS Hard Drive

Hard Drives · Strivon · SKU HD4977-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index2,852 (Hard Drives scale)
Category rank#4,394
Street price$559
Power8 W
Performance per dollar5.10
Released2023

Specifications

BrandStrivon
ModelStrivon HD-4977 Ultra
Capacity20 TB
ClassNAS
RecordingCMR (conventional magnetic recording)
Spindle speed7,200 RPM
Cache512 MB
InterfaceSATA 6 Gb/s
Sustained transfer280 MB/s
Workload rating300 TB/year
MTBF1.2 million hours
Helium-filledYes
Warranty3 years

Related guides

CMR vs SMR Hard DrivesNAS RAID Levels Explained

Similar Hard Drives

ModelBenchmarkPriceCompare
Strivon HD-4945 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive1,175$79Compare
Altrix HD-9416 Pro 8TB 7,200 RPM CMR NAS Hard Drive1,306$109Compare
Strivon HD-5025 Plus 16TB 7,200 RPM CMR NAS Hard Drive1,984$269Compare
Strivon HD-2113 Core 16TB 7,200 RPM CMR NAS Hard Drive2,436$379Compare
Novexa HD-7880 XT 6TB 5,400 RPM CMR NAS Hard Drive1,362$119Compare
Altrix HD-1770 XT 2TB 5,400 RPM CMR Surveillance Hard Drive996$79Compare

All Hard Drives · JSON

Cite this page: Hardware Spec Index, “Strivon HD-4977 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/9684299 (accessed 2026-10-23).