Hardware Spec Index

Caldera SN-6437 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6437-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index12,808 (SSDs scale)
Category rank#13,255
Street price$359
Power7 W (active)
Performance per dollar35.68
Released2021

Specifications

BrandCaldera
ModelCaldera SN-6437 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write4,900 MB/s
Random 4K read870K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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
Caldera SN-4467 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD10,097$269Compare
Mirenta SN-4511 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD14,040$539Compare
Caldera SN-9823 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,922$119Compare
Caldera SN-2935 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD13,418$429Compare
Strivon SN-7378 Pro 500GB SATA 2.5-inch SSD3,725$39Compare
Strivon SN-7767 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD13,005$429Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6437 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21363642 (accessed 2026-10-21).