Details surrounding Intel’s upcoming 900-series chipsets for its next-generation Nova Lake-S desktop processors have surfaced, hinting at a diverse lineup including Z990, Z970, W980, Q970, and B960 models. These chipsets are expected to support the new LGA 1954 socket and will exclusively utilize DDR5 memory, signaling a significant platform upgrade for Intel’s desktop offerings later in 2026.
Key Takeaways
- A new chipset family, the 900-series, is slated for Intel’s Nova Lake-S desktop CPUs.
- The lineup includes five models: Z990, Z970, W980, Q970, and B960.
- These chipsets will support the new LGA 1954 socket and DDR5 memory exclusively.
- Overclocking capabilities vary significantly across the different chipset models.
- PCIe 5.0 support is expanded, particularly on higher-end chipsets.
A Diverse Chipset Lineup
Intel appears to be adopting a tiered approach with its 900-series chipsets, catering to various market segments from enthusiasts to commercial and workstation users. The flagship Z990 chipset is set to offer the most robust features, including extensive PCIe 5.0 support and overclocking capabilities. Below it, the Z970 aims at enthusiasts with some overclocking features, while the B960 serves the mainstream market. For business and workstation users, the Q970 and W980 chipsets provide specialized features like vPro manageability and ECC memory support on the W980.
| B960 | Z970 | Z990 | Q970 | W980 | |
| Total PCIe Lanes | 34 | 34 | 48 | 44 | 48 |
| Processor TB4/USB4 ports | 1 | 1 | 2 | 2 | 2 |
| DMI Gen 5 Lanes | 2 | 2 | 4 | 4 | 4 |
| Chipset PCIe 5.0 Lanes | 0 | 0 | 12 | 8 | 12 |
| Chipset PCIe 4.0 Lanes | 14 | 14 | 12 | 12 | 12 |
| SATA 3.0 | 4 | 4 | 8 | 8 | 8 |
| USB 2 Ports | 12 | 12 | 14 | 14 | 14 |
| USB 3.2 (20G) Ports | ~2 | ~2 | ~5 | ~4 | ~5 |
| USB 3.2 (10G) Ports | ~4 | ~4 | ~10 | ~8 | ~10 |
| USB 3.2 (5G) Ports | ~6 | ~6 | ~10 | ~10 | ~10 |
| IA OC | No | Yes | Yes | No | No |
| BCLK OC | No | No | Yes | No | No |
| Memory OC | Yes | Yes | Yes | No | Yes |
| CPU PCIe 5.0 Slot Config | 1×16 | 1×16 | 1×16 or 1×8 + 2×4 or 2×8 or 4×4 |
1×16 or 1×8 + 2×4 or 2×8 or 4×4 |
1×16 or 1×8 + 2×4 or 2×8 or 4×4 |
| Processor PCIe 5.0 Storage Config | 1×4 | 1×4 | 1×8 or 2×4 |
1×8 or 2×4 |
1×8 or 2×4 |
| ECC | No | No | No | No | Yes |
| Displays Supported | 4 | 4 | 4 | 4 | 4 |
| PCIe RAID 0/5/10 support | No | No | Yes | Yes | Yes |
| SATA PAID 0/5/10 support | Yes | Yes | Yes | Yes | Yes |
| Intel vPRO+ Standard Manageability | No | No | No | Yes | Yes |
Feature Differentiation Across Chipsets
The leaked specifications reveal a clear distinction in features, particularly concerning PCIe lanes, USB connectivity, and overclocking support. The Z990 and W980 chipsets boast 48 total PCIe lanes and support for 12 PCIe 5.0 lanes from the chipset, alongside dual Thunderbolt 4/USB4 ports. In contrast, the Z970 and B960 share a smaller PCH silicon with a DMI Gen 5 x2 bus, offering 34 total PCIe lanes and no PCIe 5.0 lanes from the chipset, though they do provide one Thunderbolt 4/USB4 port. The Z970 distinguishes itself from the B960 by enabling CPU multiplier overclocking (IA OC).
Overclocking and Connectivity
Overclocking capabilities are a key differentiator. The Z990 is the only chipset listed to support both IA OC (CPU multiplier) and BCLK OC, alongside memory overclocking. The Z970 supports IA OC and memory OC, while the B960 and W980 are limited to memory OC. The Q970 chipset, aimed at the commercial segment, does not support any form of overclocking but includes Intel vPro manageability features, which are also present on the W980. The workstation-focused W980 is also noted for its ECC memory support.
PCIe 5.0 Expansion
Intel’s 900-series chipsets mark a significant step in expanding PCIe 5.0 connectivity. While the CPU will provide PCIe 5.0 lanes for graphics and storage across most platforms, the higher-end chipsets like Z990, Q970, and W980 will also offer PCIe 5.0 lanes directly from the chipset. This increased bandwidth is expected to enhance performance and connectivity for future high-end desktop and workstation systems. The DMI interface has also been upgraded to PCIe 5.0 speeds, doubling its bandwidth compared to previous generations.
Via @jaykihn0
