Hardware Spec Index

Caldera SN-6438 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6438-TI · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index12,637 (SSDs scale)
Category rank#16,322
Street price$399
Power6 W (active)
Performance per dollar31.67
Released2020

Specifications

BrandCaldera
ModelCaldera SN-6438 Ti
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write6,500 MB/s
Random 4K read1,020K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink 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

ModelBenchmarkPriceCompare
Mirenta SN-2207 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD14,031$589Compare
Altrix SN-2562 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD12,886$389Compare
Altrix SN-8891 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD7,368$129Compare
Strivon SN-2735 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD6,200$89Compare
Novexa SN-8626 SE 1TB SATA 2.5-inch SSD3,972$49Compare
Altrix SN-3650 XT 1TB SATA 2.5-inch SSD3,470$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6438 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/10177909 (accessed 2026-10-21).