Hardware Spec Index

Caldera SN-7658 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7658-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index8,026 (SSDs scale)
Category rank#45,605
Street price$159
Power7 W (active)
Performance per dollar50.48
Released2021

Specifications

BrandCaldera
ModelCaldera SN-7658 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write4,800 MB/s
Random 4K read930K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
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
Mirenta SN-5997 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD8,472$209Compare
Caldera SN-7360 SE 500GB PCIe 3.0 NVMe M.2 2280 SSD5,105$59Compare
Caldera SN-8260 Plus 4TB PCIe 5.0 NVMe M.2 2280 SSD12,415$369Compare
Altrix SN-3127 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,177$89Compare
Caldera SN-1138 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD12,557$459Compare
Novexa SN-9237 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD5,429$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-7658 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6963916 (accessed 2026-10-19).