--- product_id: 725127908 title: "Core GeForce RTX 5090 ROG Astral Waterblock w/ Backplate (10270)" brand: "alphacool" price: "¥99677" currency: JPY in_stock: true category: "Alphacool" url: https://www.desertcart.jp/products/725127908-core-geforce-rtx-5090-rog-astral-waterblock-w-backplate-10270 store_origin: JP region: Japan --- # 8 digital aRGB LEDs for customizable lighting Precision copper block for ultimate cooling Brass connectors ensure durability & safety Core GeForce RTX 5090 ROG Astral Waterblock w/ Backplate (10270) **Brand:** alphacool **Price:** ¥99677 **Availability:** ✅ In Stock ## Summary > ❄️ Cool your GPU, heat up your game — stay ahead with Alphacool Core! ## Quick Answers - **What is this?** Core GeForce RTX 5090 ROG Astral Waterblock w/ Backplate (10270) by alphacool - **How much does it cost?** ¥99677 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/725127908-core-geforce-rtx-5090-rog-astral-waterblock-w-backplate-10270) ## Best For - alphacool enthusiasts ## Why This Product - Trusted alphacool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last & Perform:** High-quality brass connectors and nylon terminals guarantee reliability and safety - • **Optimized Flow Dynamics:** Advanced water flow simulation ensures maximum cooling efficiency - • **Vibrant Customizable Glow:** 8 digital aRGB LEDs powered by 5V 3-pin JST connector for personalized style - • **Next-Level Thermal Mastery:** Chrome-plated copper block engineered for peak GPU temps under control - • **Seamless Aesthetic Integration:** Full aluminum backplate with acrylic top delivers sleek, uniform design ## Overview The Alphacool Core Geforce RTX 5090 ROG Astral GPU Water Block is a premium water cooling solution designed specifically for the latest Nvidia RTX 5090 GPUs. Featuring a precision-milled chrome-plated copper block, durable brass connectors, and a full aluminum backplate with acrylic top, it delivers exceptional thermal performance and a sleek look. Enhanced by 8 digital aRGB LEDs, this cooler combines cutting-edge engineering with customizable aesthetics, ensuring your high-end GPU stays cool and stylish under heavy loads. ## Description The Alphacool Core GeForce RTX 5090 ROG Astral Waterblock with Backplate is a GPU water block for the ASUS ROG Astral GeForce RTX 5090, a graphics card with an Nvidia chip. It fits the ROG Astral and the ROG Astral LC, each of them also as the OC Edition. A chrome-plated copper block under an acrylic top cools the card, and the aluminum backplate is in the box. Properties: Fits: ASUS ROG Astral and ROG Astral LC GeForce RTX 5090; Cold plate: Chrome-plated copper; Top: Acrylic, transparent; Ports: 4 x G1/4; Backplate: Aluminum, included; Lighting: 12 digital aRGB LEDs, 5V. Compatibility: Alphacool lists these cards for this block: The block was designed for one PCB layout, and card makers sometimes revise a board so that a cooler no longer fits later models. Before ordering, compare your card and its part number with the pictures in Alphacool's GPU configurator, or look it up in its Compatibility List for Nvidia cards. Asus ROG Astral GeForce RTX 5090 32GB GDDR7 (90YV0LW1-M0NA00); Asus ROG Astral GeForce RTX 5090 32GB GDDR7 OC Edition (90YV0LW0-M0NA00); Asus ROG Astral LC GeForce RTX 5090 32GB GDDR7 (90YV0LW3-M0NA00); Asus ROG Astral LC GeForce RTX 5090 32GB GDDR7 OC Edition (90YV0LW2-M0NA00). In the box: 1x Core GeForce RTX 5090 ROG Astral cooler; 1x Backplate; 2x 68x15x1mm Pad; 1x 54x15x1mm Pad; 6x 8x8x1mm Pad; 2x 12x15x1mm Pad; 1x 98x8x1mm Pad; 1x 107x8x1mm Pad; 2x 68x8x3mm Pad; 1x 45x45x3mm Pad; 1x 55x15x3mm Pad; 2x 13x15x3mm Pad; 1x 20x8x3mm Pad; 1x Thermal Grease; 1x Putty tool; 1x ARGB Adapter; 1x PCIe Bracket; 1x Plug tool; 1x Screwdriver; 2x G1/4 Plug; 6x M2x10mm screws; 1x M2x5mm spring screw; 1x washer; 1x M2x4mm screw. ## Features - The Alphacool Core GeForce RTX 5090 ROG Astral Waterblock with Backplate is a GPU water block for the ASUS ROG Astral GeForce RTX 5090, a graphics card with an Nvidia chip. It fits the ROG Astral and the ROG Astral LC, each of them also as the OC Edition. A chrome-plated copper block under an acrylic top cools the card, and the aluminum backplate is in the box. - Properties: Fits: ASUS ROG Astral and ROG Astral LC GeForce RTX 5090; Cold plate: Chrome-plated copper; Top: Acrylic, transparent; Ports: 4 x G1/4; Backplate: Aluminum, included; Lighting: 12 digital aRGB LEDs, 5V - Compatibility: Asus ROG Astral GeForce RTX 5090 32GB GDDR7 (90YV0LW1-M0NA00); Asus ROG Astral GeForce RTX 5090 32GB GDDR7 OC Edition (90YV0LW0-M0NA00); Asus ROG Astral LC GeForce RTX 5090 32GB GDDR7 (90YV0LW3-M0NA00); Asus ROG Astral LC GeForce RTX 5090 32GB GDDR7 OC Edition (90YV0LW2-M0NA00) - Copper block and terminal: At the heart of the cooler is a copper block that is precisely milled from a single piece. It is complemented by a precisely crafted brass terminal with a nylon cover. Alphacool says the chrome finish enhances the copper cooler's durability and provides a smoother, more radiant surface than traditional nickel plating. - In the box: 1x Core GeForce RTX 5090 ROG Astral cooler; 1x Backplate; 2x 68x15x1mm Pad; 1x 54x15x1mm Pad; 6x 8x8x1mm Pad; 2x 12x15x1mm Pad; 1x 98x8x1mm Pad; 1x 107x8x1mm Pad; 2x 68x8x3mm Pad; 1x 45x45x3mm Pad; 1x 55x15x3mm Pad; 2x 13x15x3mm Pad; 1x 20x8x3mm Pad; 1x Thermal Grease; 1x Putty tool; 1x ARGB Adapter; 1x PCIe Bracket; 1x Plug tool; 1x Screwdriver; 2x G1/4 Plug; 6x M2x10mm screws; 1x M2x5mm spring screw; 1x washer; 1x M2x4mm screw ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DWV8VN8Z | | Best Sellers Rank | #604 in Water Cooling Systems | | Brand Name | Alphacool | | Compatible Devices | Desktop | | Cooling Method | Water | | Customer Reviews | 5.0 5.0 out of 5 stars (5) | | Included Components | 1x GPU Block | | Item Dimensions L x W x H | 10.25"L x 6.33"W x 1.35"H | | Item Highlight | Copper Block, Chrome Finish, Brass Terminal, Aluminum Backplate, Acrylic Top, aRGB Lighting | | Item Weight | 3.8 pounds | | Manufacturer | Alphacool | | Material Type | Copper | | Maximum Rotational Speed | 1 rpm | | Model | 1026196 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 1026194 | | Power Connector Type | 4-Pin | | Unit Count | 1 Count | | Voltage | 1 volts | | Warranty Description | One year manufacturer | | Wattage | 1 watts | ## Product Details - **Brand:** Alphacool - **Compatible Devices:** Desktop - **Cooling Method:** Water - **Item Highlight:** Copper Block, Chrome Finish, Brass Terminal, Aluminum Backplate, Acrylic Top, aRGB Lighting - **Material:** Copper - **Maximum Rotational Speed:** 1 rpm - **Power Connector Type:** 4-Pin - **Product Dimensions:** 10.25"L x 6.33"W x 1.35"H - **Voltage:** 1 volts - **Wattage:** 1 watts ## Images ![Core GeForce RTX 5090 ROG Astral Waterblock w/ Backplate (10270) - Image 1](https://m.media-amazon.com/images/I/61fRVjl0UXL.jpg) ## Frequently Bought Together - Alphacool Core Geforce RTX 5090 ROG Astral Waterblock with Backplate (10270) - CORSAIR Hydro X Series XR5 360mm Water Cooling Radiator - Triple 120mm Fan Mounts - Premium Copper Construction - Easy Installation - Black - Corsair CX-9059001-WW Hydro X Series, Xt Softline, 10/13mm (3/8In/ 1/2In) ID/OD, Tubing, PVC, Clear --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/725127908-core-geforce-rtx-5090-rog-astral-waterblock-w-backplate-10270](https://www.desertcart.jp/products/725127908-core-geforce-rtx-5090-rog-astral-waterblock-w-backplate-10270) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-31*