Hardware Spec Index

Caldera SN-8641 Edge 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN8641-EDGE · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index5,193 (SSDs scale)
Category rank#18,651
Street price$59
Power7 W (active)
Performance per dollar88.02
Released2025

Specifications

BrandCaldera
ModelCaldera SN-8641 Edge
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write6,100 MB/s
Random 4K read1,050K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 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

Similar SSDs

ModelBenchmarkPriceCompare
Mirenta SN-2903 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD9,967$269Compare
Strivon SN-2731 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD8,731$189Compare
Caldera SN-5042 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD6,613$129Compare
Mirenta SN-7560 Core 2TB PCIe 4.0 NVMe M.2 2230 SSD8,338$179Compare
Novexa SN-7963 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD8,216$129Compare
Strivon SN-3699 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD13,844$449Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8641 Edge 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/4465218 (accessed 2026-10-23).