Yes, Activision requires Resizable BAR on Intel Arc cards, with the Arc A580 as minimum and the B580 as recommended. On Evetech's Intel Arc shelf, builders in Pretoria and beyond will find the ASRock B580 Challenger OC at R6,999.
Yes. Activision's PC specification for Call of Duty: Modern Warfare 4 states that Intel Arc cards require Resizable BAR, and it names the Arc A580 as the minimum and the Arc B580 as the recommended Intel card. The game launched on 23 October, so builders in Pretoria and beyond are asking about it right now. The good news is that Resizable BAR is a setting, not a purchase, and most boards from the last few years have it.
Modern Warfare 4 requires Resizable BAR when you play on an Intel Arc GPU. The A580 is the minimum Arc and the B580 is the recommended one, and the game wants about 115 GB of SSD space. Evetech's ASRock B580 Challenger OC is R6,999. Turn Resizable BAR on in your BIOS before you install, not after.
Normally the processor reaches only a small 256MB window of the card's video memory at a time. Resizable BAR lets it address the whole pool at once. Intel Arc cards depend on it far more than most GeForce or Radeon cards do, which is why the publisher treats it as required for Arc.
In the BIOS, look for two options: "Above 4G Decoding" and "Re-Size BAR Support", and enable both. Your board also needs to boot in UEFI mode, not legacy. Some boards need a BIOS update first, so note the version number before you download anything. After a restart, the Intel graphics software shows whether it is active; if it reads off, the BIOS is the place to look.
Activision lists the Arc A580 as the floor and the Arc B580 as the recommended tier. Evetech's Intel Arc shelf has two cards: the ASRock Arc A380 Challenger ITX 6GB at R3,999 and the ASRock B580 Challenger OC with 12GB of GDDR6 on a 192-bit bus at R6,999. The A380 is a tier below the A580, so it does not reach the listed minimum. The B580 is the card that matches the recommended line. Browse the Intel Arc graphics cards and the Intel Arc guide for South Africa for the full range.
Two snags catch most people. First, the system drive must use GPT partitioning with UEFI boot; a drive set up the old MBR way hides the Resizable BAR option, and Windows ships a conversion tool for that. Second, the switch lives in different menus on different boards, often under Advanced, PCI Subsystem Settings, so search the manual for "Above 4G". If the option simply does not exist, look for a newer BIOS from the board maker. A 2018-era board without an update path is the one case where a platform upgrade, not a card, is the real fix. Test the result with a short benchmark before and after, so you can see the difference for yourself.
Beyond the card, the minimum is 8GB of RAM and the recommended amount is 16GB. Storage is 115 GB, and it must be an SSD. For a Highveld household on shared fibre, that is a download to start overnight, and the install drive deserves a check before you begin. If you are weighing the B580 against a Radeon or GeForce card at a similar price, the best graphics card deals page lays the options side by side.
Yes. The publisher's PC specifications say Intel Arc GPUs require Resizable BAR.
The Arc A580 is the minimum and the Arc B580 is the recommended card.
Open the Intel graphics software or a tool like GPU-Z and look for the Resizable BAR line. If it is off, enable Above 4G Decoding and Re-Size BAR Support in the BIOS.
It sits below the A580 named as the minimum, so it is not the card to plan around. The B580 at R6,999 matches the recommended line.
Building around an Intel Arc card? See Evetech's Intel Arc range, pick the card that fits your Modern Warfare 4 target, and set Resizable BAR in the BIOS before you install.
Yes. The publisher's PC specifications say Intel Arc GPUs require Resizable BAR.
The Arc A580 is the minimum and the Arc B580 is the recommended card.
Open the Intel graphics software or a tool like GPU-Z and look for the Resizable BAR line. If it is off, enable Above 4G Decoding and Re-Size BAR Support in the BIOS.
It sits below the A580 named as the minimum, so it is not the card to plan around. The B580 at R6,999 matches the recommended line.
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