Altrix HD-4947 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive
Hard Drives · Altrix · SKU HD4947-ULTRA · Released 2025 · Updated 2026-10-23
Key facts
| Benchmark index | 1,159 (Hard Drives scale) |
|---|---|
| Category rank | #15,524 |
| Street price | $89 |
| Power | 5 W |
| Performance per dollar | 13.02 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix HD-4947 Ultra |
| Capacity | 4 TB |
| Class | Surveillance |
| Recording | CMR (conventional magnetic recording) |
| Spindle speed | 5,400 RPM |
| Cache | 256 MB |
| Interface | SATA 6 Gb/s |
| Sustained transfer | 180 MB/s |
| Workload rating | 180 TB/year |
| MTBF | 1 million hours |
| Helium-filled | No |
| Warranty | 2 years |
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Cite this page: Hardware Spec Index, “Altrix HD-4947 Ultra 4TB 5,400 RPM CMR Surveillance Hard Drive”, https://vextor7.com/item/83661010 (accessed 2026-10-23).