什么是电源供应器?

含义解释

电源供应器(PSU)是硬件组件,它将墙壁插座的交流电(AC)转换为内部电脑或游戏机组件所需的特定、受控的直流电(DC)。对于复古和高端PC收藏而言,PSU不仅仅是一个可替换的零件;它是系统真实性和运行历史的核心指标。PSU通常被视为系统“原始配置”的一部分。如果一个系统没有附带其原装PSU出售,对于追求原汁原味的收藏者来说,它在功能上是不完整的。主流的等效物是电源砖或内部电源调节器,但在PC组装中,PSU是一个独立的、高精度的组件。

对价格的影响

PSU的状况和原装性直接影响系统的估值。一个来自特定构建时代的原始、有记录的PSU,可以为完整的系统价值增加10-25%的溢价,特别是当该系统被作为“时代正确”(period-correct)的套装出售时。一个非原装的、现代的替换PSU,即使功能相同,通常也会因为破坏了系统的历史完整性而使感知价值降低5-10%。相反,一个明显损坏或无法工作的PSU,会使系统价值下降30%或更多,因为买家必须考虑到更换成本和潜在的不稳定性。

如何识别

PSU通过型号、序列号和效率等级(例如,80 PLUS Bronze/Gold)来识别。对于老式或特定的高端单元,请寻找与已知生产批次相对应的制造商标记。常见的错误是卖家用一个通用、现代的替代品替换了原装的时代正确单元,但没有披露这一更换行为。买家应要求提供标签的高清照片,特别是要关注输入电压和型号标识。对于标准PSU来说,假货很少见,但在高端品牌单元中可能会出现;如果可用,核对序列号与制造商数据库是唯一确定的检查方法。

明智购买

当系统被宣传为完整的、博物馆级别的或具有历史意义的构建时,为原装PSU支付溢价是合理的。如果系统被用作一个以性能为唯一衡量标准的实用游戏机,那么一个现代的高瓦数替换PSU通常是一个明智且经济的升级。一个公平的交易要求卖家提供PSU运行状态的证明(例如,最近的诊断报告或卖家记录的成功启动周期)。如果缺少PSU,价格应反映一个可比较的、经过测试的替换单元的成本。

明智出售

证明PSU是原装且功能完好的状态可以最大化售价。将PSU连同其原包装、文档或清晰的序列号照片一起上架,可以让卖家在“按现状”(as-is)的挂牌价格之上获得溢价。最有效的一点是提供一张照片,显示PSU连接到一个正在运行的系统(如果可能),或者提供制造商贴纸的特写,清晰显示型号,同时附上系统的原始收据或构建清单。这种文件记录将该物品从零件的集合转变为一个可验证的、完整的文物。

On eBay right now

Current asking prices from live listings — not sold-comp medians.

See all ↗

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

Resale values related to 电源供应器

Shop 电源供应器 on eBay ↗

JunkPal may earn a commission when you buy through eBay links, at no extra cost to you.

What’s worth the most

Ranked on medians of real closed eBay sales, not asking prices.

More Video Games terms

alpha buildAn alpha build is an early, often unstable version of a video game that is still under active development by the creators. These versions are not intended for palternate artThis refers to packaging artwork that differs from the standard, mass-produced cover art for a video game. These variations might include different character ilarcade stickAn arcade stick is a specialized input device designed to emulate the controls found in classic arcade video games. It typically features a joystick for directiarchive copyAn archive copy refers to a preserved, often digital, version of a video game, typically sourced from original media or early distribution methods. For collectoatariThis refers to the historic video game company, Atari, which was a dominant force in the early days of the industry. When discussing collectibles, "Atari" generatari 2600This refers to the classic home video game console produced by Atari, a foundational piece of early home gaming history. For collectors, the Atari 2600 represenaudio fidelityThis refers to the technical quality of the sound within a video game, encompassing aspects like clarity, dynamic range, frequency response, and overall sonic rbeta buildA beta build is a pre-release version of a video game used by developers for testing, and its collector value depends entirely on its verifiable rarity and offibios dumpA bios dump is essentially a complete copy of the firmware stored on a device's motherboard, often from older consoles or specialized hardware. For collectors abootleg copyThis refers to an unauthorized, counterfeit version of a video game. These copies are produced without the permission of the original copyright holder, often usbox artThis refers to the original printed artwork found on the exterior packaging of a video game, including the front cover, back panel, and sometimes the side panelcable conditionThis refers to the physical state of any attached or included cables for a video game console, peripheral, or accessory. It encompasses factors like fraying, kicartridge connectorThis refers to the physical interface or pin assembly on a game cartridge that allows it to properly connect and communicate with the console's slot. It is a crcartridge modA modification applied to a game cartridge, often involving hardware or software alterations to change gameplay, add features, or fix bugs. These modifications
All Video Games terms →