Caldera SN-7948 Ultra 8TB PCIe 3.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN7948-ULTRA · Released 2019 · Updated 2026-10-23
Key facts
| Benchmark index | 14,248 (SSDs scale) |
|---|---|
| Category rank | #25,534 |
| Street price | $579 |
| Power | 4 W (active) |
| Performance per dollar | 24.61 |
| Released | 2019 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-7948 Ultra |
| Capacity | 8 TB |
| Form factor | M.2 2280 |
| Interface | PCIe 3.0 x4, NVMe 1.4 |
| Sequential read | 2,100 MB/s |
| Sequential write | 1,900 MB/s |
| Random 4K read | 560K IOPS |
| NAND | 3D TLC, 238-layer |
| Cache | DDR4 DRAM, 8 GB |
| Endurance | 4,800 TBW (0.33 DWPD) |
| Warranty | 5 years |
| Heatsink | None |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
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| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa SN-5227 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD | 13,351 | $409 | Compare |
| Altrix SN-8340 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD | 14,183 | $449 | Compare |
| Strivon SN-6177 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD | 8,963 | $209 | Compare |
| Caldera SN-3493 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,717 | $399 | Compare |
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Cite this page: Hardware Spec Index, “Caldera SN-7948 Ultra 8TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8318690 (accessed 2026-10-23).