Hardware Spec Index

Caldera SN-7643 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7643-XT · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index10,902 (SSDs scale)
Category rank#31,538
Street price$329
Power11 W (active)
Performance per dollar33.14
Released2024

Specifications

BrandCaldera
ModelCaldera SN-7643 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read11,800 MB/s
Sequential write10,600 MB/s
Random 4K read1,400K IOPS
NAND3D TLC, 218-layer
CacheLPDDR4 DRAM, 8 GB
Endurance4,800 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
Caldera SN-6102 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD10,037$299Compare
Strivon SN-1332 SE 500GB SATA 2.5-inch SSD4,193$39Compare
Altrix SN-7419 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD6,668$99Compare
Novexa SN-8700 Max 2TB PCIe 3.0 NVMe M.2 2280 SSD9,921$299Compare
Novexa SN-7698 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD4,929$59Compare
Strivon SN-7921 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD12,646$479Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7643 XT 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/83672491 (accessed 2026-10-20).