Hardware Spec Index

Caldera SN-6640 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6640-CORE · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index5,991 (SSDs scale)
Category rank#34,275
Street price$89
Power6 W (active)
Performance per dollar67.31
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6640 Core
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,800 MB/s
Random 4K read700K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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
Mirenta SN-9222 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD5,007$59Compare
Mirenta SN-8542 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD9,264$189Compare
Caldera SN-3973 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD11,694$349Compare
Caldera SN-6048 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD12,428$399Compare
Mirenta SN-9176 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD7,830$179Compare
Novexa SN-8416 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD12,984$539Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6640 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7948173 (accessed 2026-10-19).