Hardware Spec Index

Caldera SN-6940 Core 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN6940-CORE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index5,727 (SSDs scale)
Category rank#29,058
Street price$79
Power5 W (active)
Performance per dollar72.49
Released2022

Specifications

BrandCaldera
ModelCaldera SN-6940 Core
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write3,700 MB/s
Random 4K read1,240K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 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 Core 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/4601507 (accessed 2026-10-24).