Hardware Spec Index

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

SSDs · Caldera · SKU SN6438-MAX · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index12,558 (SSDs scale)
Category rank#48,131
Street price$379
Power5 W (active)
Performance per dollar33.13
Released2020

Specifications

BrandCaldera
ModelCaldera SN-6438 Max
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write5,500 MB/s
Random 4K read880K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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
Altrix SN-7449 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD8,052$159Compare
Altrix SN-8530 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD13,593$509Compare
Caldera SN-2966 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD5,891$89Compare
Novexa SN-5358 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD7,511$149Compare
Mirenta SN-3243 Ultra 1TB SATA 2.5-inch SSD3,429$29Compare
Altrix SN-8622 Ultra 500GB SATA 2.5-inch SSD4,198$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6438 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4667697 (accessed 2026-10-19).