Hardware Spec Index

Caldera SN-6518 XT 8TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6518-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index13,914 (SSDs scale)
Category rank#36,353
Street price$559
Power5 W (active)
Performance per dollar24.89
Released2019

Specifications

BrandCaldera
ModelCaldera SN-6518 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,500 MB/s
Sequential write2,200 MB/s
Random 4K read370K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 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
Mirenta SN-7429 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD9,484$199Compare
Caldera SN-5222 Pro 1TB SATA 2.5-inch SSD4,199$49Compare
Altrix SN-8394 Max 1TB PCIe 3.0 NVMe M.2 2280 SSD6,148$89Compare
Mirenta SN-9053 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD14,002$559Compare
Caldera SN-7324 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD10,590$279Compare
Altrix SN-1640 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD9,945$289Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6518 XT 8TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4885344 (accessed 2026-10-20).