Hardware Spec Index

Caldera SN-6940 XT 500GB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6940-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index4,363 (SSDs scale)
Category rank#23,755
Street price$49
Power4 W (active)
Performance per dollar89.04
Released2019

Specifications

BrandCaldera
ModelCaldera SN-6940 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,000 MB/s
Sequential write1,900 MB/s
Random 4K read410K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance180 TBW (0.33 DWPD)
Warranty3 years
HeatsinkNone

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-6940 XT 500GB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/58776333 (accessed 2026-10-20).