Hardware Spec Index

Caldera SN-8688 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8688-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index13,566 (SSDs scale)
Category rank#28,030
Street price$449
Power8 W (active)
Performance per dollar30.21
Released2025

Specifications

BrandCaldera
ModelCaldera SN-8688 Ultra
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read11,500 MB/s
Sequential write10,200 MB/s
Random 4K read2,180K 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
Altrix SN-8000 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD9,775$219Compare
Novexa SN-5124 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD7,685$129Compare
Caldera SN-8021 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD13,959$579Compare
Caldera SN-3711 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD11,531$389Compare
Strivon SN-2251 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD7,960$179Compare
Strivon SN-1486 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD8,828$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8688 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/24678091 (accessed 2026-10-19).