Hardware Spec Index

Caldera SN-6947 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6947-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index12,313 (SSDs scale)
Category rank#35,017
Street price$369
Power5 W (active)
Performance per dollar33.37
Released2020

Specifications

BrandCaldera
ModelCaldera SN-6947 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write5,900 MB/s
Random 4K read1,270K IOPS
NAND3D TLC, 238-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-1223 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD9,966$249Compare
Mirenta SN-5080 SE 2TB PCIe 4.0 NVMe M.2 2230 SSD8,821$189Compare
Strivon SN-1246 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD14,536$589Compare
Strivon SN-5571 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD12,854$429Compare
Caldera SN-6429 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD7,334$109Compare
Altrix SN-5449 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD6,574$99Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6947 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/9359809 (accessed 2026-10-21).