Hardware Spec Index

Caldera SN-5668 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5668-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index14,092 (SSDs scale)
Category rank#35,941
Street price$519
Power7 W (active)
Performance per dollar27.15
Released2020

Specifications

BrandCaldera
ModelCaldera SN-5668 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write4,600 MB/s
Random 4K read860K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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
Mirenta SN-9356 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD10,511$269Compare
Caldera SN-5141 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,684$119Compare
Caldera SN-4836 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD12,906$469Compare
Caldera SN-9550 Ultra 500GB SATA 2.5-inch SSD3,894$39Compare
Mirenta SN-6865 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD14,613$499Compare
Mirenta SN-1794 Ultra 500GB SATA 2.5-inch SSD3,861$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5668 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5619561 (accessed 2026-10-22).