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A Retina MacBook Air was released in late 2018. The 11.6-inch MacBook Air, introduced in October 2010, is only slightly larger and heavier (when closed) than the iPad 2. The 11.6-inch Air has been regarded as thin and light compared to other ultraportables, such as the Sony VAIO Z and the 11-inch Samsung Series 9. [77]
iMac (Late 2015) 1.6 2×256 3 2 Yes Yes October 2015 June 2017 MacBook Air (Early 2015) 1.6 2×256 3 2 Yes Yes March 2015 June 2017 MacBook Air (2017) 1.8 2×256 3 2 Yes Yes June 2017 July 2019 Core i5 (2-core) MacBook Pro (Early 2015) 2.7–2.9 2×256 3 2 Yes Yes March 2015 June 2017 Core i7 ULT (2-core) MacBook Air (Early 2015) MacBook Air ...
Unbuffered memory modules (UDIMMs) directly expose the memory chip interface to the module connector. Registered or load-reduced variants (RDIMMs/LRDIMMs) use additional active circuitry on the memory module in order to buffer the signals between the memory controller and the DRAM chips. This reduces the capacitive load on the DDR5 bus.
Steve Jobs introduced the MacBook Air during Apple’s keynote address at the 2008 Macworld conference on January 15, 2008. [4] The first MacBook Air was a 13.3-inch model, initially promoted as the world's thinnest notebook at 1.9 cm (0.75 in) (a previous record holder, 2005's Toshiba Portege R200, was 1.98 cm (0.78 in) high).
This model of MacBook Air did not have a Retina display. A MacBook Air model with an 11-inch screen was available from early October 2010 to late October 2016. In 2017, the MacBook Air received a small refresh, with the processor speed increasing to 1.8 GHz. On October 30, 2018, the MacBook Air underwent a major design change, dropping the USB ...
On the same date, the 13-inch M2 MacBook Air received a price cut from $1199 to $1099. [22] On March 4, 2024, Apple announced a refreshed M3 MacBook Air in both 13-inch and 15-inch sizes. This model retains the same design as the M2 MacBook Air, but adds support for two external displays when the lid is closed.
The first DDR4 memory module prototype was manufactured by Samsung and announced in January 2011. [a] Physical comparison of DDR, DDR2, DDR3, and DDR4 SDRAM Front and back of 8 GB [1] DDR4 memory modules. 2005: Standards body JEDEC began working on a successor to DDR3 around 2005, [14] about 2 years before the launch of DDR3 in 2007.
The maximum random access memory (RAM) installed in any computer system is limited by hardware, software and economic factors. The hardware may have a limited number of address bus bits, limited by the processor package or design of the system. Some of the address space may be shared between RAM, peripherals, and read-only memory.