Hardware Spec Index

Caldera SN-5257 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5257-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index12,199 (SSDs scale)
Category rank#26,036
Street price$359
Power9 W (active)
Performance per dollar33.98
Released2026

Specifications

BrandCaldera
ModelCaldera SN-5257 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,800 MB/s
Sequential write12,200 MB/s
Random 4K read2,370K IOPS
NAND3D TLC, 218-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-6382 Edge 500GB SATA 2.5-inch SSD4,224$39Compare
Mirenta SN-4765 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD11,007$339Compare
Caldera SN-3571 Ti 500GB SATA 2.5-inch SSD4,058$39Compare
Caldera SN-4465 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD12,020$399Compare
Novexa SN-1937 Pro 500GB SATA 2.5-inch SSD3,470$39Compare
Altrix SN-9332 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD9,482$209Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5257 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4135596 (accessed 2026-10-21).