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SanDisk Optimus GX C50 Storage Expansion Card for Xbox Series X|S, 512GB NVMe, SDCEOGN-512G-GNAGX
- EFFORTLESS PLAY. Officially licensed for Xbox Series X|S consoles.
- SUPER SPEED NVME CORE. Ultra-fast, low-latency performance that matches the console's SSD - play games directly from the card.
- OPTIMIZED FOR XBOX. Xbox Velocity Architecture unlocks the full potential of the SANDISK Optimus GX C50 Storage Expansion Card, allowing it to achieve blazing-fast performance and seamless, high-speed access to your favorite games.
- QUICK RESUME. Seamlessly integrates with your console's Quick Resume, so you can pick up exactly where you left off without delay.
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Overview
Specs
Reviews
See all Q & A 
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Overview
The SanDisk Optimus GX C50 Storage Expansion Card adds 512GB of storage for Xbox Series X|S consoles. It is officially licensed for Xbox Series X|S consoles and is designed for playing games directly from the card.
Key Features
- Officially licensed for Xbox Series X|S consoles
- Ultra-fast, low-latency NVMe performance
- Designed to match the console's SSD performance
- Supports Xbox Velocity Architecture
- Seamlessly integrates with Quick Resume
Performance
The NVMe core provides ultra-fast, low-latency performance that matches the console's SSD. Xbox Velocity Architecture enables blazing-fast performance and seamless, high-speed access to games.
Design
The storage expansion card measures 31.6mm wide, 55.4mm deep, and 7.7mm high, with a weight of 25g.
Connectivity & Compatibility
Designed for Xbox Series X|S consoles, the card supports playing games directly from the card and integrates with the console's Quick Resume.
Specifications
- Brand: SanDisk
- Product: Optimus GX C50 Storage Expansion Card
- Model: SDCEOGN-512G-GNAGX
- Capacity: 512GB
- Width: 31.6mm
- Depth: 55.4mm
- Height: 7.7mm
- Weight: 25g
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-866-726-3475
- Support Website
- View other products from SanDisk
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The SANDISK Optimus GX C50 is a 512GB storage expansion card for Xbox Series X|S, suited to players who want more space for games they can play directly from the card with performance designed to match the console’s SSD.
Recommended For
- Xbox Series X|S players who are running short on console storage and want to install and play Series X|S-optimized games from the added storage, rather than repeatedly moving them between drives.
- Series S owners with limited built-in space who want extra ready-to-play room for a small set of current-generation games.
- Players who mainly use Xbox Series X|S games and want expansion storage that works with the console’s storage features, including Quick Resume.
- Players who value a direct console expansion and want to avoid using a separate USB drive and transferring optimized games before playing them.
Real-World Use Scenarios
- When the Xbox Series X|S internal storage is full, install Series X|S-optimized games on the card and play them directly without moving them back to the console drive.
- For players who keep several large or frequently played games installed, use the card as extra ready-to-play space instead of repeatedly deleting games to make room.
- When switching between suspended games stored on the card and games on the console, Quick Resume lets players return to supported games without restarting from the beginning.
- On an Xbox Series S with limited built-in space, use the card to keep more current-generation games installed and playable without relying on a USB drive that may require transfers before playing some titles.
- If a game is already installed on the console, move or copy it to the card to free internal space while keeping it available for play; this can avoid deleting and downloading it again.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Expanding game storage on Xbox Series X|S consoles, with games playable directly from the card |
| Capacity And Storage Type | 512GB solid-state storage |
| Interface And Compatibility | Connects through the Xbox Expansion Slot; NVMe interface and PCI Express x4 connectivity; compatible with Xbox Series X and Series S |
| Gaming Features | Officially licensed for Xbox Series X|S, with Xbox integration and Quick Resume compatibility; supports playing games directly from the card |
| Color | Black |
| Dimensions And Weight | 31.6 × 55.4 × 7.7 mm; 25 g |
| Model Identifiers | SanDisk Optimus GX C50; model SDCEOGN-512G-GNAGX |
Reference Q&A
Q: Should I get this 512GB Xbox expansion card or a USB external SSD?
A: Choose the SANDISK Optimus GX C50 if you want to install and play Xbox Series X|S-optimized games directly from added storage. A USB external SSD can store those games, but Xbox says they generally need to be moved to console storage or an expansion card to play; USB storage can directly run compatible Xbox One, Xbox 360, and original Xbox games.
Q: SANDISK Optimus GX C50 or Seagate Xbox expansion card—which should I buy?
A: Both are expansion-card options for Xbox Series X|S that are designed to provide performance comparable to the console’s internal SSD, so either suits playing supported games directly from added storage. The SANDISK 512GB model is a fit if that capacity meets your needs; compare current prices and available capacities before choosing, since Seagate’s official Xbox listing includes 1TB, 2TB, and 4TB options.
Q: Is the 512GB SANDISK C50 enough, or should I get the 1TB version?
A: Choose 512GB if you want a smaller-capacity expansion and are comfortable managing which games stay installed. Choose 1TB if you want twice the listed capacity for a larger installed library. Both are SANDISK Optimus GX C50 expansion cards; the main stated difference between these configurations is storage capacity.
Q: Can I play Xbox Series X|S games directly from this card?
A: Yes. The card is designed to match the console’s SSD performance, so compatible games can be played directly from it. The product information also states that it supports Quick Resume.
Q: Do I have to move games back to the console to play them?
A: No. Xbox Series X|S games can be played directly from this expansion card, so you do not need to transfer them to the console’s internal storage first.
Q: Is this card compatible with Xbox Series X and Series S?
A: Yes. This 512GB card is officially licensed for Xbox Series X|S. It is made for those consoles’ storage expansion slot, so it is not a general-purpose external drive for other devices.
Q: Is 512GB enough extra storage?
A: The card adds 512GB of storage, making it a reasonable option if you want space for more installed games. Whether that is enough depends on the size and number of games you keep installed; larger libraries may need more capacity.
Q: Is the SANDISK Optimus GX C50 worth paying more for than a regular external drive?
A: It may be worth considering if you want to play Xbox Series X|S games directly from added storage without moving them between drives. The 512GB capacity is the trade-off, and whether the card is worth its price depends on the price you find and how much playable storage you need.