Hardware Spec Index

Caldera SN-8634 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8634-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index9,698 (SSDs scale)
Category rank#5,097
Street price$229
Power5 W (active)
Performance per dollar42.35
Released2024

Specifications

BrandCaldera
ModelCaldera SN-8634 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write5,300 MB/s
Random 4K read880K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 1 GB
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
Strivon SN-7190 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD12,807$409Compare
Caldera SN-7742 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD10,858$289Compare
Novexa SN-9529 Edge 8TB PCIe 4.0 NVMe M.2 2280 SSD12,876$519Compare
Caldera SN-4345 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD7,888$189Compare
Strivon SN-3164 Ultra 4TB PCIe 5.0 NVMe M.2 2280 SSD14,482$599Compare
Altrix SN-5625 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD9,273$189Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8634 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/95969941 (accessed 2026-10-21).