Hardware Spec Index

Caldera SN-6778 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6778-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index5,382 (SSDs scale)
Category rank#23,142
Street price$69
Power8 W (active)
Performance per dollar78.00
Released2021

Specifications

BrandCaldera
ModelCaldera SN-6778 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write4,500 MB/s
Random 4K read1,250K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 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
Caldera SN-4813 Ti 1TB PCIe 3.0 NVMe M.2 2280 SSD4,887$59Compare
Caldera SN-6952 Ti 2TB PCIe 5.0 NVMe M.2 2280 SSD11,232$329Compare
Mirenta SN-6325 Prime 500GB SATA 2.5-inch SSD4,057$39Compare
Caldera SN-1996 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD7,420$129Compare
Altrix SN-3741 Ultra 4TB PCIe 3.0 NVMe M.2 2280 SSD9,914$279Compare
Caldera SN-8109 Edge 1TB PCIe 4.0 NVMe M.2 2230 SSD5,303$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6778 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/328451 (accessed 2026-10-19).