Hardware Spec Index

Caldera SN-6635 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6635-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index11,562 (SSDs scale)
Category rank#2,574
Street price$359
Power11 W (active)
Performance per dollar32.21
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6635 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read10,300 MB/s
Sequential write8,700 MB/s
Random 4K read2,430K IOPS
NAND3D TLC, 232-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-1975 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD7,131$129Compare
Strivon SN-7619 XT 1TB PCIe 3.0 NVMe M.2 2280 SSD8,190$159Compare
Strivon SN-9357 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD7,300$139Compare
Mirenta SN-4031 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD12,882$419Compare
Caldera SN-4052 Pro 8TB PCIe 3.0 NVMe M.2 2280 SSD11,685$369Compare
Strivon SN-6058 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD8,468$179Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6635 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19637708 (accessed 2026-10-26).