Hardware Spec Index

Caldera SN-4677 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4677-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index5,174 (SSDs scale)
Category rank#5,229
Street price$59
Power6 W (active)
Performance per dollar87.69
Released2019

Specifications

BrandCaldera
ModelCaldera SN-4677 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,700 MB/s
Sequential write1,700 MB/s
Random 4K read600K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance120 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

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Cite this page: Hardware Spec Index, “Caldera SN-4677 Ultra 500GB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6432899 (accessed 2026-10-25).