RTS5781DL vs RTS5766DL Comparison
Detailed side-by-side comparison of RTS5781DL by Realtek and RTS5766DL by Realtek. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | RTS5781DL | RTS5766DL |
|---|---|---|
| Brand | Realtek | Realtek |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | NRND | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $10.40 | $2.20 |
| Host Interface | PCIe 5.0 x4 (NVMe 2.0) | PCIe 3.0 x4 (NVMe 1.4) |
| Sequential Read (max) | 10,000 MB/s | — |
| Sequential Write (max) | 10,000 MB/s | — |
| Random Read IOPS | 1,400K | — |
| Random Write IOPS | 1,400K | — |
| NAND Channels | 4 | 4 channels |
| Max NAND Interface Speed | 3,600 MT/s | — |
| ECC Engine | 4K LDPC | — |
| DRAM Support | DRAM-less (HMB) | DRAM-less (HMB / Host Memory Buffer) |
| NAND Type Support | 3D TLC/QLC | TLC, QLC, pQLC/PLC 3D NAND |
| Form Factor Target | M.2 2280 NVMe SSD | M.2 2280 SSD |
| Package | BGA (Realtek DL-series standard) | BGA-252 (11 x 11 mm, 0.65 mm pitch) |
| Engineering Sample Status | Sampling (Q1 2025) | — |
| Production Launch | Expected within one year of sample (2026 timeframe) | — |
| Compliance | RoHS compliant (per Realtek roadmap) | NVMe 1.4, PCI-SIG PCIe 3.0, RoHS |
| Product Type | — | PCIe Gen3 x4 NVMe 1.4 SSD Controller |
| Manufacturer | — | Realtek |
| NAND Interface Speed | — | Up to 1200 MT/s |
| Error Correction | — | 2K LDPC (Low-Density Parity-Check) |
| PCI-SIG Vendor ID | — | 0x10EC (Realtek) |
| Mounting Type | — | Surface Mount (BGA) |
| Operating Mode | — | Mainstream consumer NVMe SSD |
| Used In SSDs | — | ADATA Legend 710, Netac NV3000 |