# CORSAIR Vengeance RGB DDR5 48GB 5600 Review: CL40, XMP 3.0 and Ryzen Caveats > 48GB (2x24GB) DDR5-5600 CL40 kit: ~14.3ns true latency, XMP 3.0 vs Ryzen behavior, 32/48/64GB choice, and BIOS needs for 24GB DIMMs. Tags: memory, corsair, vengeance-rgb, ddr5, ddr5-5600, 48gb, intel-xmp, rgb Source: https://www.amazon.co.jp/dp/B0BVN1GWXV Article page: https://web-autoai.com/articles/corsair-vengeance-rgb-ddr5-48gb24gb2-5600mhz-intel-ram?lang=en Prices and ratings change over time — check the article page for the current values. --- This article covers CORSAIR VENGEANCE RGB DDR5 48GB（24GB×2）最大 5600MHz対応 Intel RAM (CORSAIR Vengeance RGB DDR5 48GB, 2x24GB, 5600MHz). It focuses on how the numbers on the spec sheet translate into real-world use. The short answer: this two-stick kit fits Intel DDR5 users who outgrow 32GB but don't need four sticks or 64GB. If you're on Ryzen and want guaranteed rated speed, or you care most about low latency, there are better options. ## Overview The CORSAIR Vengeance RGB DDR5 48GB kit packs two 24GB modules into a dual-channel configuration. It's rated at 5600MHz, CL40 and 1.25V under XMP. It supports Intel XMP 3.0, so you only need to pick the profile in the BIOS to reach the rated speed. Each module has 10-zone individually addressable RGB LEDs that you can customize in CORSAIR iCUE. This is a mid-to-high-end kit for users who want both high capacity and solid speed. 24GB is a non-binary capacity (not a power of two like 16GB or 32GB), a configuration that arrived with DDR5. Its main selling point is 48GB from just two slots, which pays off in heavy multitasking such as gaming alongside creative work. ## What 5600MHz CL40 Means in Practice Memory speed depends on both frequency and CAS latency. True latency can be estimated as CL x 2000 / transfer rate: for this kit, 40 x 2000 / 5600 is about 14.3ns. Standard JEDEC DDR5-4800 CL40 works out to about 16.7ns, so enabling XMP is a clear step up from stock. | Configuration | Approx. true latency | Theoretical bandwidth (dual channel) | |---|---|---| | DDR5-4800 CL40 (JEDEC) | ~16.7ns | ~76.8GB/s | | DDR5-5600 CL40 (this kit, XMP) | ~14.3ns | ~89.6GB/s | | DDR5-6000 CL30 (fast kit example) | ~10.0ns | ~96.0GB/s | In short, this kit offers plenty of capacity and bandwidth with modest latency. On modern CPUs with large caches, CAS latency usually has a limited effect on average frame rates. Competitive players chasing the best minimum frame rates will still benefit from a CL30-class kit. For video editing or virtual machines, running out of memory and swapping hurts far more than a few nanoseconds of latency, so capacity matters more. ## Choosing Between 32GB, 48GB and 64GB | Capacity | Typical use | How it relates to this kit | |---|---|---| | 32GB (2x16GB) | Gaming alone, office work, basic streaming | Enough for most gamers | | 48GB (2x24GB) | Gaming + streaming + many tabs, entry 4K editing, light VMs | This kit, for those who occasionally max out 32GB | | 64GB (2x32GB) | Serious 4K/8K editing, multiple VMs, large datasets | Choose this if headroom is the priority | If your usage tops out around 20GB, a 32GB kit is enough and the savings are better spent elsewhere. If you already use 40GB or more on a regular basis, 48GB leaves little headroom, so consider a 64GB kit. ## Compatibility Guide This kit supports DDR5 only and uses the desktop 288-pin DIMM form factor. It won't fit laptop SO-DIMM slots. It also won't go into DDR4 boards because the notch is in a different position, so start by confirming that your motherboard supports DDR5. On Intel, it's recommended for Intel 600/700-series chipsets such as Z790, Z690 and B760. **However, chipsets like B760 and Z690 come in both DDR4 and DDR5 board variants. ** Boards with 'DDR4' or 'D4' in the model name won't work, so check the supported memory type, not just the chipset. Z890 and B860 boards for Core Ultra (Series 2) are DDR5-only, so this issue doesn't apply to them. Official CPU memory speeds vary by generation: roughly DDR5-4800 for 12th Gen Core and DDR5-5600 for 13th/14th Gen Core. On 13th/14th Gen, 5600MHz is essentially within spec, so XMP puts little extra strain on the CPU. On 12th Gen, 5600MHz counts as an overclock and may not be stable, depending on the CPU and motherboard. 24GB modules are relatively new, so **early BIOS versions may not detect them correctly. ** If your board hasn't had a BIOS update in a while, check the manufacturer's site for the latest BIOS and the qualified memory list (QVL) before installing. This helps you avoid no-boot problems. On AMD, take care. This kit has no AMD EXPO profile, so on Ryzen 7000-series systems it defaults to the JEDEC speed of 4800MHz. Some AM5 boards can read XMP profiles, but that falls outside CORSAIR's validation, so stable 5600MHz operation isn't guaranteed. No extra power cables are needed; the modules draw power from the motherboard. Like all DDR5, each module has an onboard PMIC (power management IC) that handles voltage regulation. In practice, this kit has no effect on how large a power supply you need. The RGB light bar makes these modules taller than plain modules without heat spreaders. That's rarely an issue with typical tower coolers or AIO liquid coolers. Large dual-tower air coolers that overhang the RAM slots may require you to reposition a fan. Check the module height on the product page against your cooler's RAM clearance. ## Product Info | Item | Detail | |---|---| | Capacity | 48GB (2x24GB) | | Speed | 5600MHz | | CAS Latency | CL40 | | XMP Profile | Intel XMP 3.0 | | Voltage | 1.25V (XMP) | | RGB Lighting | 10 zones per module | | Warranty | Limited lifetime | With its non-binary 24GB modules, this kit targets users who need more than a typical 32GB kit. It sits between 32GB and 64GB kits and serves people who want more capacity while keeping a two-stick setup. CORSAIR covers it with a limited lifetime warranty. On pricing: as of September 26, 2026, the Amazon. co. jp listing price was unusually high for a 48GB DDR5 kit in this class. It may be a third-party seller's markup, so this article doesn't quote the figure. Memory prices also swing widely over time. Check the product page for the current price and seller. co. That's a high score but a small sample, so it says little yet about BIOS compatibility or behavior on Ryzen. ## Best Use Cases * Gamers who play heavy titles or stream: Games known for heavy memory use, such as 'Star Citizen' or 'Microsoft Flight Simulator', benefit from steadier loading and texture streaming. The extra headroom matters most if you run streaming software, a browser and voice chat while gaming. For typical esports titles on their own, 32GB is enough. * Video editing and 3D rendering: For memory-hungry apps like Premiere Pro, DaVinci Resolve or Blender, this kit helps when 32GB (2x16GB) falls short. Getting the capacity from two sticks also makes it easier to keep high memory speeds. * Multitaskers: Developers and power users who keep many browser tabs open while running VMs, containers or large compiles will benefit. * RGB builders: The 10-zone lighting syncs with other CORSAIR gear through iCUE, which suits builders who want a unified look. **Not for:** Ryzen users who want manufacturer-validated rated speed (get an EXPO kit). Budget buyers whose usage stays around 20GB. Competitive gamers who prioritize latency (CL40 is modest, and lower-latency kits do better). Anyone who doesn't want RGB. ## Things to Consider The biggest caveat is the lack of AMD EXPO support. Intel XMP 3.0 is designed for Intel platforms, so Ryzen 7000-series systems will normally run the kit at 4800MHz. Reaching 5600MHz relies on manual tuning or your board's XMP compatibility, and stability isn't guaranteed. If you're building on Ryzen, choosing an EXPO kit from the start is the safer route. Second, beware of planning to add two more sticks later for 96GB. With four DDR5 sticks installed, signaling gets harder and XMP 5600MHz often isn't stable. Most systems end up running at lower speeds, so if you expect to need 96GB or more, buy a higher-capacity two-stick kit from the start. Kits with the same model number can also use different memory chips depending on when they were made, so mixing separately purchased kits can cause compatibility problems. Third is price. 48GB kits tend to cost more per GB than 32GB kits, so a 32GB kit is better value if you don't need the capacity. The Amazon listing is also sold and shipped by a third-party seller, trippodoshop, and the price at the time of capture was well above typical market levels. Before buying, check who the seller is and compare prices with other sellers and stores. Fourth is software. iCUE uses some system resources if you leave it running in the background. It isn't required unless you want to control the lighting or monitor the memory. Running it alongside other brands' RGB software can cause lighting conflicts, so decide which app will control your RGB. Finally, the first boot. DDR5 runs memory training on first boot, so it can take anywhere from tens of seconds to a few minutes before anything appears on screen. Don't mistake this for a fault and cut the power; just wait. Training may run again after you enable XMP. ## FAQ Q: Can I use this memory on an AMD Ryzen system? A: It will physically fit any DDR5 slot. However, it only has an Intel XMP 3.0 profile with no AMD EXPO support, so by default it runs at the JEDEC speed of 4800MHz. Reaching 5600MHz requires manual tuning or similar, and stability isn't guaranteed. For the best speed on AMD, choose an EXPO kit. Q: What is 48GB (2x24GB) good for? A: It's ideal for mid-sized workloads where 32GB isn't enough but 64GB is overkill, such as video editing, larger data analysis, running VMs, or gaming while streaming. For gaming alone, 32GB is enough for many titles, so 48GB may be more than you need. Q: What if the PC won't boot or doesn't detect the 24GB modules? A: First, update your motherboard BIOS to the latest version. 24GB modules are relatively new, and older BIOS versions can have detection or boot problems. Also check your motherboard manual to make sure the sticks are in the recommended slots (usually A2 and B2 for two sticks). Q: Do I need iCUE to run this memory at full speed? A: No. The memory works without iCUE, and you can enable XMP in the BIOS alone. You only need iCUE to customize the RGB lighting or monitor the memory. Q: Isn't CL40 slow? A: True latency is about 14.3ns. That's faster than stock DDR5-4800 CL40 (about 16.7ns) but slower than 6000MHz CL30-class kits (about 10ns). In everyday gaming and work the difference is small, but competitive gamers chasing frame rates may want a lower-latency kit. ### Product Disclosure (Amazon) - Manufacturer: CORSAIR - Seller: trippodoshop - Fulfilled by: trippodoshop - ASIN: B0BVN1GWXV - Note: This article covers a manufacturer-made product based on Amazon listing details.