Caldera SN-4239 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD
SSDs · Caldera · SKU SN4239-ULTRA · Released 2022 · Updated 2026-10-25
Key facts
| Benchmark index | 4,659 (SSDs scale) |
|---|---|
| Category rank | #32,778 |
| Street price | $49 |
| Power | 5 W (active) |
| Performance per dollar | 95.08 |
| Released | 2022 |
Specifications
| Brand | Caldera |
|---|---|
| Model | Caldera SN-4239 Ultra |
| Capacity | 500 GB |
| Form factor | M.2 2280 |
| Interface | PCIe 4.0 x4, NVMe 2.0 |
| Sequential read | 7,300 MB/s |
| Sequential write | 5,200 MB/s |
| Random 4K read | 1,230K IOPS |
| NAND | 3D TLC, 218-layer |
| Cache | DRAM-less (HMB) |
| Endurance | 300 TBW (0.55 DWPD) |
| Warranty | 3 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
Similar SSDs
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Mirenta SN-9582 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD | 12,643 | $449 | Compare |
| Novexa SN-3086 Max 1TB SATA 2.5-inch SSD | 4,253 | $39 | Compare |
| Strivon SN-6490 SE 1TB SATA 2.5-inch SSD | 3,666 | $39 | Compare |
| Novexa SN-6258 XT 4TB PCIe 5.0 NVMe M.2 2280 SSD | 13,886 | $419 | Compare |
| Altrix SN-8266 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD | 10,005 | $299 | Compare |
| Altrix SN-7474 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD | 11,048 | $319 | Compare |
Cite this page: Hardware Spec Index, “Caldera SN-4239 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/33031242 (accessed 2026-10-25).