Hardware Spec Index

Caldera SN-6647 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN6647-PLUS · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index5,368 (SSDs scale)
Category rank#29,703
Street price$69
Power7 W (active)
Performance per dollar77.80
Released2023

Specifications

BrandCaldera
ModelCaldera SN-6647 Plus
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write4,000 MB/s
Random 4K read1,010K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance360 TBW (0.33 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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-5772 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD11,627$379Compare
Strivon SN-1764 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD4,347$49Compare
Novexa SN-1714 Edge 500GB SATA 2.5-inch SSD3,634$39Compare
Altrix SN-7276 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD9,316$219Compare
Caldera SN-2965 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD6,513$109Compare
Altrix SN-6853 XT 500GB SATA 2.5-inch SSD3,460$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6647 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/5354902 (accessed 2026-10-21).