Hardware Spec Index

Caldera SN-6658 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6658-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index5,418 (SSDs scale)
Category rank#26,951
Street price$69
Power6 W (active)
Performance per dollar78.52
Released2019

Specifications

BrandCaldera
ModelCaldera SN-6658 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,500 MB/s
Sequential write2,100 MB/s
Random 4K read420K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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
Altrix SN-3343 Prime 500GB SATA 2.5-inch SSD4,593$49Compare
Strivon SN-9805 Ti 500GB SATA 2.5-inch SSD4,199$49Compare
Caldera SN-4940 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD4,489$49Compare
Mirenta SN-1471 Ultra 8TB PCIe 5.0 NVMe M.2 2280 SSD13,978$549Compare
Altrix SN-3707 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD11,193$399Compare
Altrix SN-6258 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD8,225$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6658 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2729484 (accessed 2026-10-23).