Caldera SN-5621 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN5621-ULTRA · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 6,142 (SSDs scale) |
|---|---|
| Category rank | #42,839 |
| Street price | $89 |
| Power | 7 W (active) |
| Performance per dollar | 69.01 |
| Released | 2021 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-5621 Ultra |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 5,700 MB/s |
| Sequential write | 3,500 MB/s |
| Random 4K read | 1,040K IOPS |
| NAND | 3D QLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 180 TBW (0.33 DWPD) |
| Warranty | 3 years |
| Heatsink | Heatsink edition available |
Related guides
NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix SN-5598 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD | 13,464 | $469 | Compare |
| Mirenta SN-9033 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD | 12,687 | $459 | Compare |
| Caldera SN-1130 XT 500GB SATA 2.5-inch SSD | 4,241 | $49 | Compare |
| Strivon SN-6454 Prime 1TB PCIe 4.0 NVMe M.2 2230 SSD | 6,952 | $129 | Compare |
| Caldera SN-3161 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD | 13,210 | $439 | Compare |
| Novexa SN-1771 Pro 8TB PCIe 3.0 NVMe M.2 2280 SSD | 12,227 | $379 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-5621 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/11207911 (accessed 2026-10-25).