Altrix HD-8511 Ultra 20TB 7,200 RPM CMR NAS Hard Drive
Hard Drives · Altrix · SKU HD8511-ULTRA · Released 2023 · Updated 2026-10-24
Key facts
| Benchmark index | 2,482 (Hard Drives scale) |
|---|---|
| Category rank | #14,136 |
| Street price | $359 |
| Power | 8 W |
| Performance per dollar | 6.91 |
| Released | 2023 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix HD-8511 Ultra |
| Capacity | 20 TB |
| Class | NAS |
| 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 | 300 TB/year |
| MTBF | 1.2 million hours |
| Helium-filled | Yes |
| Warranty | 3 years |
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Cite this page: Hardware Spec Index, “Altrix HD-8511 Ultra 20TB 7,200 RPM CMR NAS Hard Drive”, https://vextor7.com/item/33037420 (accessed 2026-10-24).