Altrix HD-4772 XT 20TB 7,200 RPM CMR Enterprise Hard Drive
Hard Drives · Altrix · SKU HD4772-XT · Released 2025 · Updated 2026-10-23
Key facts
| Benchmark index | 2,367 (Hard Drives scale) |
|---|---|
| Category rank | #1,065 |
| Street price | $429 |
| Power | 8 W |
| Performance per dollar | 5.52 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix HD-4772 XT |
| 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-4772 XT 20TB 7,200 RPM CMR Enterprise Hard Drive”, https://vextor7.com/item/9333388 (accessed 2026-10-23).