Hardware Spec Index

Caldera SN-6555 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6555-MAX · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index5,797 (SSDs scale)
Category rank#32,442
Street price$79
Power5 W (active)
Performance per dollar73.38
Released2024

Specifications

BrandCaldera
ModelCaldera SN-6555 Max
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,200 MB/s
Random 4K read1,330K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance100 TBW (0.18 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

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Cite this page: Hardware Spec Index, “Caldera SN-6555 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7475151 (accessed 2026-10-19).