Altrix HD-3999 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive
Hard Drives · Altrix · SKU HD3999-PLUS · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 3,100 (Hard Drives scale) |
|---|---|
| Category rank | #13,266 |
| Street price | $529 |
| Power | 8 W |
| Performance per dollar | 5.86 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix HD-3999 Plus |
| Capacity | 20 TB |
| Class | Enterprise |
| Recording | CMR (conventional magnetic recording) |
| Spindle speed | 7,200 RPM |
| Cache | 512 MB |
| Interface | SATA 6 Gb/s |
| Sustained transfer | 280 MB/s |
| Workload rating | 550 TB/year |
| MTBF | 2.5 million hours |
| Helium-filled | Yes |
| Warranty | 5 years |
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Cite this page: Hardware Spec Index, “Altrix HD-3999 Plus 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/8758014 (accessed 2026-10-21).