Hardware Spec Index

Caldera SN-6641 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6641-MAX · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index10,222 (SSDs scale)
Category rank#1,462
Street price$259
Power5 W (active)
Performance per dollar39.47
Released2023

Specifications

BrandCaldera
ModelCaldera SN-6641 Max
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write7,100 MB/s
Random 4K read1,400K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
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-6641 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1476433 (accessed 2026-10-20).