Hardware Spec Index

Caldera SN-5939 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5939-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index7,303 (SSDs scale)
Category rank#933
Street price$129
Power8 W (active)
Performance per dollar56.61
Released2024

Specifications

BrandCaldera
ModelCaldera SN-5939 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write4,700 MB/s
Random 4K read1,160K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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

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Cite this page: Hardware Spec Index, “Caldera SN-5939 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6967546 (accessed 2026-10-19).