Hardware Spec Index

Caldera SN-6556 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6556-EDGE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index11,937 (SSDs scale)
Category rank#49,567
Street price$349
Power5 W (active)
Performance per dollar34.20
Released2021

Specifications

BrandCaldera
ModelCaldera SN-6556 Edge
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write5,100 MB/s
Random 4K read1,130K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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
Strivon SN-3168 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD7,432$159Compare
Strivon SN-5798 Edge 500GB SATA 2.5-inch SSD3,963$39Compare
Strivon SN-1384 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD7,655$119Compare
Strivon SN-9827 Max 1TB PCIe 3.0 NVMe M.2 2280 SSD6,329$99Compare
Mirenta SN-6925 Prime 8TB PCIe 3.0 NVMe M.2 2280 SSD13,106$539Compare
Mirenta SN-2605 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD5,208$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6556 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5640967 (accessed 2026-10-21).